DOSEN PROFIL LENGKAP

Pollen is a powdery substance produced by most types of flowers of seed plants for the purpose of sexual reproduction. It consists of pollen grains (highly...

designed to attract pollinators; male stamens, where pollen is presented; and female gynoecia, where pollen is received and its movement is facilitated to the...

Look up pollen in Wiktionary, the free dictionary. Pollen is a powdery substance in plant reproduction. Pollen may also refer to: Arabella Rosalind Hungerford...

Pollination is the transfer of pollen from an anther of a plant to the stigma of a plant, later enabling fertilisation and the production of seeds. Pollinating...

Pollen beetle is an informal term for any species of beetle associated intimately with suitably pollen-rich species of flowers. Typically such a beetle...

The pollen basket or corbicula (plural corbiculae) is part of the tibia on the hind legs of the female of certain species of bees. They use the structure...

Bee pollen, also known as bee bread and ambrosia, is a ball or pellet of field-gathered flower pollen packed by worker honeybees, and used as the primary...

A pollen count is a measurement of the number of pollen grains in a given volume of air. Pollen counts, and forecasts of pollen conditions, are routinely...

A pollenizer (or polleniser), sometimes pollinizer (or polliniser, see spelling differences), is a plant that provides pollen. The word pollinator is...

A pollen tube is a tubular structure produced by the male gametophyte of seed plants when it germinates. Pollen tube elongation is an integral stage in...

plants, which produce pollen. Female reproductive structures, such as pistils in flowering plants, produce ovules and receive pollen for fertilization. Mosses...

Oral allergy syndrome (OAS) or pollen-food allergy syndrome (PFAS) is a type of allergy classified by a cluster of allergic reactions in the mouth and...

the spores of fungi, ferns, bacteria, and the growth of the pollen tube from the pollen grain of a seed plant. Germination is usually the growth of a...

is the female cone, which produces seeds. The male cone, which produces pollen, is usually ephemeral and much less conspicuous even at full maturity. The...

bees are herbivores that specifically feed on nectar (nectarivory) and pollen (palynivory), the former primarily as a carbohydrate source for metabolic...

Pollen Street Group Limited is a British private investment business focussed on alternative investments in the financial and business services sectors...

studies contemporary and fossil palynomorphs (paleopalynology), including pollen, spores, orbicules, dinocysts, acritarchs, chitinozoans and scolecodonts...

immortality". Ragweed pollen is notorious for causing allergic reactions in humans, specifically allergic rhinitis. Up to half of all cases of pollen-related allergic...

The term pollen source is often used in the context of beekeeping and refers to flowering plants as a source of pollen for bees or other insects. Bees...

Pollen is the sixth studio album by the musical duo Tennis, released via their own label Mutually Detrimental on February 10, 2023. It was preceded by...

combination of pollen and nectar. Pollen is the only natural protein source for honey bees. Adult worker honey bees consume 3.4–4.3 mg of pollen per day to...

Pollen wasps, the Masarinae, are unusual wasps that are typically treated as a subfamily of Vespidae, but have in the past sometimes been recognized as...

produce pollen in anthers at their tips. When a pollen grain lands upon the stigma on top of a carpel's style, it germinates to produce a pollen tube that...

develop symptoms only during specific times of the year, often as a result of pollen exposure. Many people with allergic rhinitis also have asthma, allergic...

bumblebees, it is modified to form a pollen basket, a bare shiny area surrounded by a fringe of hairs used to transport pollen, whereas in cuckoo bumblebees...

Arthur Joseph Hungerford Pollen (13 September 1866 – 28 January 1937) was an English journalist, businessman, and commentator on naval affairs who devised...

changed from Pollen Island and gazetted as Motumānawa / Pollen Island on 12 November 2015. The island was given its English name from Daniel Pollen, who bought...

tricolpate pollen grains was initially seen in morphological studies of shared derived characters. These plants have a distinct trait in their pollen grains...

Apertures are thin, soft spots on pollen grain walls. When pollen germinates, a tube grows out through these weak spots to carry sperm cells to the egg...

Pollen sac may refer to: Structures in plants that hold pollen Bee pollen, sacs or balls of pollen packed by bees This disambiguation page lists articles...

The European Pollen Database (EPD) is a freely available database of pollen frequencies, past and present, in the larger European area. The database is...

Pollen theft, also known as pollen robbery or floral larceny, occurs when an animal actively eats or collects pollen from a plant species but provides...

males produce pollen, areas with only male plants can have high pollen in the air and, therefore, be inhospitable to people with pollen allergies. According...

Pollen Street Social was a restaurant in London, England, run by chef Jason Atherton. It was Atherton's first UK solo restaurant, and in 2011 was named...

the male gametophyte is formed within a pollen grain. After pollination, the pollen grain germinates, and a pollen tube grows and penetrates the ovule through...

A pollen calendar is used to show the peak pollen times for different types of plant pollen, which causes allergic reactions in certain people. A pollen...

Hungerford Pollen (22 September 1858–1925) was an English Jesuit, known as a historian of the Protestant Reformation. John Hungerford Pollen was the son...

Hay fever in Japan (花粉症, kafunshō; "pollen illness") is most commonly caused by pollen from Cryptomeria japonica (known as sugi in Japanese and often translated...

syndrome Anemophily or wind pollination is a form of pollination whereby pollen is distributed by wind. Almost all gymnosperms are anemophilous, as are...

Dander is material shed from the body of humans and other animals that have fur, hair, or feathers. The term is similar to dandruff, when an excess of...

transfer pollen between them. Homomorphic flowers may use a biochemical self-incompatibility to discriminate between self and non-self pollen grains. Dioecious...

The Pollen Baronetcy of Redenham, in the County of Southampton, is a title in the Baronetage of Great Britain. It was created on 15 May 1795 for John Pollen...

strands. It can be seen as an extension on the dorsal side of the anther. A pollen grain develops from a microspore in the microsporangium and contains the...

within the corbiculate bees, characterized by unique pollen-carrying structures known as corbiculae (pollen baskets) located on their hind legs. This group...

Pollen is a 1995 science fiction novel written by British author Jeff Noon. Pollen is the sequel to Vurt and concerns the ongoing struggle between the...

Pollen Ndlanya (born 22 May 1970 in Daveyton) is a retired South African footballer who played as a striker. He played for Kaizer Chiefs, Manning Rangers...

Daniel Pollen (2 June 1813 – 18 May 1896) was an Irish-New Zealand politician who became the ninth premier of New Zealand, serving from 6 July 1875 to...

Pollen drift is the accidental cross-pollination of different varieties of crops through natural dispersal methods. The term is used almost exclusively...

different modifications on the body of a non-parasitic bee that form a pollen-carrying apparatus. In most species of bees, the scopa is simply a dense...

Self-pollination is a form of pollination in which pollen arrives at the stigma of a flower (in flowering plants) or at the ovule (in gymnosperms) of the...

In zoology, a palynivore /pəˈlɪnəvɔːɹ/, meaning "pollen eater" (from Greek παλύνω palunō, "strew, sprinkle", and Latin, vorare, meaning "to devour") is...

memory; they are also used in studies of pesticide toxicity, especially via pollen, to assess non-target impacts of commercial pesticides. The western honey...

level at which it will have been disturbed by ploughing. pollen diagram pollen profile pollen spectrum A series of side-by-side graphs, produced by archaeobotanists...

Grass pollen grains, however, often look the same, making it hard to use them for detailed climate or environmental reconstructions. Grass pollen has a...

John Pollen may refer to: John Hungerford Pollen (senior) (1820–1902), English writer on crafts and furniture John Hungerford Pollen (Jesuit) (1858–1925)...

also have a stigma which receives pollen and a style which connects the stigma to the ovary and enables the pollen to grow into the ovary for the female...

Pollen is a first-person sci-fi mystery walking simulator video game developed by Finnish company Mindfield Games for Microsoft Windows. Pollen is playable...

flowering plants by the structure of their pollen. Other dicotyledons and the monocotyledons have monosulcate pollen (or derived forms): grains with a single...

Zoophily, or zoogamy, is a form of pollination whereby pollen is transferred by animals, usually by invertebrates but in some cases vertebrates, particularly...

have black ventral scopae which are difficult to notice unless laden with pollen. They have arolia between their claws, unlike Megachile or Anthidium species...

when a pollen grain produced in a plant reaches a stigma of the same plant or another plant with a matching allele or genotype, the process of pollen germination...

technique used by some bees, such as solitary bees and bumblebees, to release pollen which is more or less firmly held by the anthers. The anthers of buzz-pollinated...

Forensic palynology is a subdiscipline of palynology (the study of pollen grains, spores, and other palynomorphs), that aims to prove or disprove a relationship...

Pollen DNA barcoding is the process of identifying pollen donor plant species through the amplification and sequencing of specific, conserved regions...

The Pollen Analysis Circular was a mimeographed publication that maintained communications among scientists working on either side of the Atlantic Ocean...

Thunderstorm asthma (also referred to in the media as thunder fever or a pollen bomb) is the triggering of an asthma attack by environmental conditions...

bees. Characteristic traits of this family are the restriction of their pollen-carrying structure (called a scopa) to the ventral surface of the abdomen...

by a whorl of protective involucral bracts. The oldest known fossils are pollen grains from the Late Cretaceous (Campanian to Maastrichtian) of Antarctica...

A pollinator is an animal that moves pollen from the male anther of a flower to the female stigma of a flower. This helps to bring about fertilization...

Wings of Life (known as Pollen in France and Hidden Beauty: A Love Story That Feeds the Earth in the United Kingdom) is a 2011 nature documentary film...

The Pollen Room (German: Das Blütenstaubzimmer) is the debut novel by Swiss author Zoë Jenny. Published in 1997, the book was a literary and commercial...

Pollein (French: [pɔlɛ̃] ; Valdôtain: Polèn) is a town and comune in the Aosta Valley region of north-western Italy. "Superficie di Comuni Province e Regioni...

Arabella Pollen (born 22 June 1961) is an English fashion designer and, as Bella Pollen, journalist and author of five novels published between 1997 and...

A pollen core is a core sample of a medium containing a stratigraphic sequence of pollen. Analysis of the type and frequency of the pollen in each layer...

Hungerford Pollen may refer to: John Hungerford Pollen (senior) (1820–1902), English writer on crafts and furniture John Hungerford Pollen (Jesuit) (1858–1925)...

pollen. These may be restricted to the apex of the style or, especially in wind pollinated species, cover a wide surface. The stigma receives pollen and...

nectar. Then when the stamens begin to release pollen, the bees return to collect and feed on pollen. Mining bees sometimes visit the flowers, but prefer...

predators. The adult butterflies are unusual in feeding on pollen as well as on nectar; the pollen enables them to synthesize cyanogenic glycosides that make...

to Babinet's principle. Pollen suspended in the air can also cause diffraction of sunlight that produces coronae. Because pollen grains are not always spherical...

aeneus, the common pollen beetle, is a species of pollen beetle in the family Nitidulidae. Other common names include the rape pollen beetle and rape blossom...

Picea (spruce), and Betula (birch). The clothing pollen grains were compared to a control sample of pollen grains taken directly from the rural New York...

gather pollen in the pollen baskets on their back legs and carry it back to the hive where it is used as food for the developing brood. Pollen carried...

Paul Louis Pollen (1842–1886) was a Dutch naturalist and merchant. He made major contributions to the study of the Malagasy fauna. Pollen was born on...

This cavity lies just above its food stomach, the latter of which digests pollen and sugars consumed by an individual honey bee for its own nourishment....

the pollen. If the pollen grains have a low moisture content it helps increase the length of the pollen's life. Low levels of moisture help the pollen freeze...

Entomophily or insect pollination is a form of pollination whereby pollen of plants, especially but not only of flowering plants, is distributed by insects...

Pollen zones are a system of subdividing the Last Glacial Period and Holocene paleoclimate using the data from pollen cores. The sequence provides a global...

the perianth for more than 75% of their length, and bear cream-coloured pollen. The flowers are strongly and sweetly scented. The seeds are black, and...

species are either polylectic (collect pollen from a variety of plant species) or oligolectic (collect pollen from a narrow set of closely related plant...

field is palynology, which is the study of fossilized and extant spores and pollen. Paleobotany is important in the reconstruction of ancient ecological and...

disperse the wingless seeds. The pollen cones are 2–3 mm (1⁄16–1⁄8 in) long and 1.5 mm (1⁄16 in) broad, shedding pollen in late winter or early spring....

A pollen-presenter is an area on the tip of the style in flowers of plants of the family Proteaceae on which the anthers release their pollen prior to...

cells, known as spermatia. Flowering plants contain non-motile sperm inside pollen, while some more basal plants like ferns and some gymnosperms have motile...

contain a diverse range of paleoenvironmental proxies, including fossil pollen and stable carbon, nitrogen and hydrogen isotopes. Combined with the antiquity...

These flowers have large feathery stamen and produce a high volume of pollen, as they rely on wind pollination. Their leaves are simple, with alternate...

the pollen is still in the anther or in the pollen tube as it grows towards the ovules. Plant species can be classified as having trinucleate pollen (generative...

It consists of one or more pistils, and is typically surrounded by the pollen-producing reproductive organs, the stamens, collectively called the androecium...

of more complex structures that form the dispersal units, the seeds and pollen grains. The term spore derives from Greek σπορά, spora, meaning 'seed, sowing'...

insects, though a few species have been shown to feed on pollen. Adults feed on the pollen of a wide range of flowers. The majority of species are 6–9 mm...

spores, projectates, Wodehouseia edmontonicola, bisaccate pollen, taxodiaceous pollen, and pollen from trees, shrubs, and herbs. Preserved woody trunks show...

providing a female flower surface to which pollen grains can adhere and defining the path through which the pollen must travel. The stigma is the very tip...

begins when a pollen grain adheres to the stigmatic surface of the carpel, the female reproductive structure of angiosperm flowers. The pollen grain begins...

Intra-sexual (male–male) competition: Competing pollen donors vie for ovule fertilization via traits such as pollen packaging, timing of release, and flower...

Cadet Pollen murder refers to the murder of Cadet Sharmila Shaharin Pollen in Mymensingh Girls' Cadet College in 2005. The college authorities attempted...

that live some part of their life cycle as aeroplankton, often as spores, pollen, and wind-scattered seeds. Additionally, microorganisms are swept into the...

muscle cells, fibroblasts, epithelial cells, green algae, spores, and pollen tubes, among others, have been already reported to respond by either growing...

species are extreme specialists (oligoleges) with respect to pollen and will only collect pollen from a few closely related species or genera of plants. Many...

Hydrophily is a fairly uncommon form of pollination whereby pollen is distributed by the flow of waters, particularly in rivers and streams. Hydrophilous...

pollen, therefore contributing for potential pollination of several plant species. Pollen wasps in the subfamily Masarinae gather nectar and pollen in...

pollen from the stamens to the stigma-style-ovary system within the flower-head. After pollination, a pollen tube grows from the (deposited) pollen through...

generalist is used in pollination ecology to refer to bees that collect pollen from a range of unrelated plants. Honey bees exemplify this behavior, collecting...

plants is the effect of pollen on seeds and fruit of the fertilized plant. The effect is separate from the contribution of the pollen towards the next generation...

stamens and female ovaries, while many wild grapes are either male, producing pollen but no fruit, or female, producing fruit only if a pollinator is nearby...

display behavior; the adults of many species feed mainly on nectar and pollen, while the larvae (maggots) eat a wide range of foods. In some species,...

angiosperm flowers. Pollen is often enclosed in paired synangia (pollen sacs). The synangia lie on the adaxial (inner) edge of pollen-bearing leaf-like...

topic for the genus is its relation to the Clavatipollenites, a fossilized pollen. Ascarina plants are divided into three major species groups, based on the...

female worker bee, a drone has no stinger. It does not gather nectar or pollen and cannot feed without assistance from worker bees. Its only role is to...

flattened yellow filaments and yellow tricolpate or sometimes pantoporate pollen encircle 5–25 free, flattened, linear-oblong, yellow to green carpels, with...

animals. pollen pollen-grains, the microspores of seed plants from anthers of angiosperms or the microsporangia (of gymnosperms); . pollen-mass Sometimes...

John Pollen (c. 1702–1775), of Andover, Hampshire, was a British lawyer and Whig politician who sat in the House of Commons from 1734 to 1754. Pollen was...

Margaret La Primaudaye Pollen (10 April 1838 – c. 1919), known as Minnie, was a decorative arts collector. As Mrs John Hungerford Pollen, she became known...

Petter Pollen (born 16 September 1966) is a Norwegian sailor, world champion in Europe (dinghy) and Olympic medalist in Flying Dutchman. Pollen became...

Francis Anthony Baring Pollen, FRIBA (7 December 1926 – 4 November 1987) was an English architect who designed, amongst other significant buildings, Worth...

source of pollen for bees in March/April (in UK), when bees need the pollen as protein to build up their nest.[citation needed] The pollen is crimson...

Eupithecia pollens is a moth in the family Geometridae. It is found in China. Wikimedia Commons has media related to Eupithecia pollens. Wikispecies has...

For bees, their forage or food supply consists of nectar and pollen from blooming plants within their flight range. The forage sources for honey bees are...

Xenogamy (Greek xenos=stranger, gamos=marriage) is the transfer of pollen grains from the anther to the stigma of a different plant. This is the only type...

important for the nutrition and development of pollen grains and a source of precursors for the pollen coat. The cells are usually bigger and normally...

may trap the insects temporarily to ensure the gathering and transfer of pollen. Many plants in the genus Amorphophallus (family Araceae) are known as carrion...

accidentally traps pollen among the body hairs, the pollen grains are combed off by the front and hind tibia, and transferred to pollen-retaining bristles...

Peter Pollen (October 26, 1927 – January 3, 2017) was a Canadian politician from British Columbia who was the mayor of Victoria, B.C. from 1971 to 1975...

Pollen was a power pop band originally hailing from Pittsburgh, Pennsylvania, United States. They released four albums and two split records over their...

pollinators: Beetles arrived at the flowers with their bodies covered in pollen and these pollen grains were transferred to the stigmata while foraging on nutritious...

September 1971) is an English chef and restaurateur. His flagship restaurant Pollen Street Social gained a Michelin Star in 2011, its opening year, and retained...

tips maturing to receive pollen.  Time-lapse (200×) of Zinnia disc floret petals opening, their styles providing secondary pollen presentation. Visiting...

lengths so that the pollen is deposited on different parts of the pollinator's body. For example, if a bee went to one flower and pollen was deposited on...

result of convergent evolution. Pollen grains in the Pentapetalae are characteristically tricolpate. This type of pollen grain has three or more pores within...

The National Pollen and Aerobiology Research Unit or NPARU is a research institute in Worcester. It produces the UK's pollen count, and was the world's...

gametophytes are very reduced in size, and are represented by the germinated pollen and the embryo sac. The sporophyte produces spores (hence the name) by meiosis...

mature, they disintegrate to release the seeds, which are winged. Both pollen and seeds are wind-dispersed. Cedars are often planted as ornamental trees...

reproduction of higher plants. Pollen is produced by the male flower or by the male organs of hermaphroditic flowers. Pollen does not move on its own and...

released, catapulting the pollen forcefully onto the insect. Experiments have shown the flower capable of flinging its pollen up to 15 cm. Physicist Lyman...

side is differently shaped from the lower side (zygomorphic); and yellow pollen. They generally flower earlier than members of the Buckleyi Group and, although...

commercial production of silk. It is also notable for the rapid release of its pollen, which is launched at greater than half the speed of sound. The specific...

fertilized by spermatozoa from the pollen of a different plant's flower. Pollen may be transferred through pollen vectors or abiotic carriers such as...

Aeropalynology is a branch of palynology that is the study of pollen, spores and other bioparticles in the Earth's atmosphere. This study includes how...

which non-motile sperm are transported to the egg through a microscopic pollen tube. The innovation is universal among seed plants (the spermatophytes)...

were like pollen of pine trees. They were produced in pollen sacs in coalesced groups of four, attached to branching structures. The pollen sacs hang...

its yellow petals. Oenothera fruticosa is susceptible to heterospecific pollen transfer from pollinators.   The seeds of Oenothera fruticosa are approximately...

pollen in less than 0.5 milliseconds. The record is currently held by the white mulberry tree, with flower movement taking 25 microseconds, as pollen...

respectively, normal and aberrant pollen produced by the same plant with Lepidopteris ottonis foliage and Antevsia zeilleri pollen sacs, is contested by Zavialova...

some trees being female and others being male. Male plants produce small pollen cones with sporophylls, each bearing two microsporangia spirally arranged...

to transfer pollen to other conspecific plants, because it reduces the loss of pollen during foraging, and the stigmas receive less pollen from other flower...

droseracean or nepenthacean affinity. It is a form taxon known only from fossil pollen. Species assigned to this genus originate from numerous regions of the world...

where pollination is often needed to initiate embryo growth, though the pollen contributes no genetic material to the developing offspring. Other forms...

colloquially known as bomber flies. Adults generally feed on nectar and pollen, some being important pollinators. Larvae are mostly parasitoids of other...

brilliant metallic coloration, primarily green, gold, and blue. Females gather pollen and nectar as food from a variety of plants, and resins, mud and other materials...

involved in pollen formation and development of the pollen tube are important for pollen selection as well as protein composition of the pollen. Pollen surface...

specialised. It usually involves the use of a "pollen-presenter", an area on the style-end that presents the pollen to the pollinator. Proteaceae flower parts...

within that on "ricochet pollination", which is a secondary pollen presentation where the pollen is not deposited on the pollinator's body by direct contact...

from the Mesozoic era. Known remains include pollen organs and seeds associated with Eucommiidites pollen, which is considered diagnostic for the order...

pollen production, on a per flower basis, with its rate of 13.3 ± 2.8 μl. The California poppy placed second with a rate of 8.3 ± 1.1 μl. The pollen production...

stigma, which is where the pollen lands and germinates to grow down through the style to the ovary, and, for each individual pollen grain, to fertilize one...

and immunologist whose achievements included the popularisation of the pollen count as a piece of weather-related information to the British public, speculation...

Ochodaeus pollens is a beetle from the family Ochodaeidae. The scientific name of the species was first published in 1941 by Petrovitz. Hallan, J. (2010)...

of cuckoo bees are easy to recognize in almost all cases, as they lack pollen-collecting structures (the scopa) and do not construct their own nests....

of moths were identified, one with patches of pollen near their eyes and ones with no detectable pollen on their bodies. Between the two groups, tongue...

artificially communicated pollen. One removes the labellum or one raises it, and one places in contact with the stigma a complete mass of pollen [i.e., pollinium]...

oil distilled from its wood is uniquely scented and highly valued. Hinoki pollen can cause pollinosis, a specific type of allergic rhinitis. Chamaecyparis...

Primaudaye Pollen was born in London on 12 January 1928, the second son and second of six children of Arthur and Daphne Pollen (née Baring). Arthur Pollen was...

in his group, and Shanidar 4, the famed supposed 'flower burial', where pollen has been suggested to be the remnants of deliberately placed flowers. Until...

appear as lines, spots, or "blotches". Such patterns are also known as "pollen guides" and "honey guides", though some authorities argue for the abandonment...

depression), but also reduces the amount of pollen available for export (so-called "pollen discounting"). Because pollen discounting diminishes outcross siring...

Alternative Credit Investments (LSE: ACI), formerly Pollen Street Secured Lending and, before that, P2P Global Investments, is a British investment trust...

bees, which come for the pollen. The flowers produce two types of pollen: fertile pollen from the ring stamens, and sterile pollen from the hood structure...

with follow-up papers in 1957 and coauthored with P. Thomas in 1953. The pollen and spore record was revised and expanded by Heidemarie Thiele-Pfeiffer...

A feeder is a vessel or contraption used by beekeepers to feed pollen or honey (or substitutes) to honey bees from a honey bee colony. Beekeepers feed...

form a sort of paper (also true of some stenogastrines). Many species are pollen vectors contributing to the pollination of several plants, being potential...

Geir Pollen (born 4 April 1953 in Målselv Municipality) is a Norwegian poet, novelist and translator. His literary debut was the poetry collection Posteringar...

highly reduced strobilus. Pollen cones of Ginkgo Pollen cone of Ginkgo, showing microsporophylls each with two microsporangia Pollen strobili of Pinophyta...

Peregrine Michael Hungerford Pollen (24 January 1931 – 18 February 2020) was an English auctioneer who headed Parke-Bernet in the 1960s after it was purchased...

one study, it ranked as the fourth most important source of pollen. Although dandelion pollen is considered to be an early food resource for some emerging...

and have adapted to the cooling climate. Paleobotanical analysis of tree pollen preserved in peat deposits demonstrates that Tilia cordata was present as...

a major component of the tough outer (exine) walls of plant spores and pollen grains. It is chemically very stable and has been described as the "toughest...

produced inside a pollen grain within the anther and is non-motile, but can be distributed by wind, water or animal vectors. When a pollen grain lands on...

small insects, pollen grains and viruses. Aerobiologists have traditionally been involved in the measurement and reporting of airborne pollen and fungal spores...

Gametophytic selection is the selection of one haploid pollen grain over another through the means of pollen competition (see also certation), and that resulting...

Melissopalynology is the study of pollen contained in honey and, in particular, the pollen's source. By studying the pollen in a sample of honey, it is possible...

xeriscaping. Because its plants tend to have a single sex, many cultivars without pollen have been produced for use in lawns. It recovers quickly from grazing and...

the grass has been known by its present name since then. Timothy grass pollen allergen is used to treat hay fever. Breeding programs for forage grasses...

himself and Amber. Pollen tries to stop him, but passes out due to his injuries. Duke returns home, and he and Amber flee. Pollen wakes up and finds two...

give predicted pollen levels in different parts of Scotland. From these numbers, the system generates a short textual summary of pollen levels as its output...

non-GM plants. Pollen barriers attempt actively catch pollen, and can consist of hedges and trees which physically hinder pollen movement. Pollen barriers consisting...

called entomophily. Entomophily is a form of plant pollination whereby pollen is distributed by insects, particularly bees, Lepidoptera (butterflies and...

secretions replace the role of pollen in the bees' diet, as vulture bees lack adaptations for carrying pollen and pollen stores are absent from their nests...

this can occur while the pollen forms in the anther (pollen tricellular) or after pollination and growth of the pollen tube (pollen bicellular in the anther...

secondary pollen presentation, heterostyly, and unisexual flowers.[citation needed] Secondary pollen presentation (also known as stylar pollen presentation...

and crushed grain, especially barley-meal. It is derived from the Latin pollen for 'fine flour', which shares a root with pulvis, meaning 'dust'. As it...

body. The bumblebee pushes the grains of pollen towards its hind legs, where the pollen is pushed into the pollen basket. At the nest, the contents of the...

puts it near the distinct Hypoxidaceae. However, a study regarding the pollen structure in two genera from Velloziaceae was found to be an important character...

States. Pollen of Erigeron strigosus has been studied, larger higher quality pollen grains are typically sexual and smaller lower quality pollen grains...

also called a salpinx) that facilitated capture of the pollen and directed it down to the pollen chamber above the megagametophyte. In later, Pennsylvanian-age...

brown or black. The stems are green and photosynthetic. Male plants produce pollen cones at the nodes, each under a centimeter long with protruding yellowish...

family Droseraceae. It is a form taxon known only from fossil pollen. Droserapollis pollen grains are united in tetrahedral tetrads (groups of four). Individual...

scales. In hardiness zones 7 through 10, junipers can bloom and release pollen several times each year. Different junipers bloom in autumn, while most...

Chaetodactylus krombeini (Krombein's hairy-footed pollen mite) was described by Karl Krombein and E. W. Baker in 1962. The mites are about 0.5 mm across...

the stigma, which is where pollen is collected. In the middle of the pistil is the style, which is the tube down which pollen travels to the ovary. The...

The adults live on a sunny, dry area with flowering plants, feeding on pollen. In May–June the female digs into the soil 20–30 millimetres (0.8–1.2 in)...

Frederick Pollen (1847 - 11 February 1876) was a British District Collector at Bulandshahr, India. He had been a student at Dublin University, and passed...

alternative medicine that uses honey bee products, including honey, bee pollen, propolis, royal jelly and bee venom. There has been no scientific or clinical...

The powerful woodpecker (Campephilus pollens) is a species of bird in subfamily Picinae of the woodpecker family Picidae. It is found in Colombia, Ecuador...

paralyzed) or may be fed pollen and nectar. The social Aculeata feed their young prey (paper wasps and hornets), or pollen and nectar (bees), or perhaps...

of another nest. The diet of this honey bee species consists mostly of pollen and nectar, or honey. Moreover, Apis cerana is known for its highly social...

fused at the base, enclosed by a tubular calyx with five pointed lobes. The pollen is white. The stigma extends beyond the anthers, making self-pollination...

John Hungerford Pollen (1820–1902) was an English architect and writer on crafts and furniture. Pollen was educated at Eton College and Christ Church,...

trends can be reconstructed from the ratio of tree pollen to pollen associated with grassland. Pollen analysis is the most widely used means of generating...

each mature pollen grain varies between the gymnosperm orders. Cycadophyta have 3 celled pollen grains while Ginkgophyta have 4 celled pollen grains. Gnetophyta...

ecology to refer to bees that exhibit a narrow, specialized preference for pollen sources, typically to a single family or genus of flowering plants. The...

Tyto pollens is an extinct giant owl which lived in the Bahamas during the last Ice Age. It is only known from the partial remains of three individuals...

pollinators, visiting flowers and accidentally transferring pollen in exchange for food in the form of pollen or nectar. Many animals disperse seeds that are adapted...

the flowers briefly trap the insects before letting them go covered in pollen. The vegetative parts of this plant are more similar in appearance to a...

beekeeping. While it is claimed that single pollen diets are greatly inferior to mixed pollen diets, there are a few pollens, however, that are acceptable for honey...

mostly dioecious, with the pollen strobili in whorls of 1–10, each consisting of a series of decussate bracts. The pollen is furrowed. The female strobili...

bee that nests in holes or stems and is polylectic, meaning it forages pollen from various different flowering plants. These bees can be seen aggregating...

allergen—consuming food or drink one is sensitive to (ingestion), breathing in pollen, perfume or pet dander (inhalation), or brushing a body part against an...

Trupanea pollens is a species of tephritid or fruit flies in the genus Trupanea of the family Tephritidae. Uganda, Kenya. Munro, H.K. (1957). "Trypetidae...

around it. Each triangular microsporophyll has two basal pollen-producing pollen sacs. The pollen is bisaccate. The seed cones are highly modified with the...

ice cores, growth rates in tree rings, species composition of sub-fossil pollen in lake sediment or foraminifera in ocean sediments, temperature profiles...

honey bees begin foraging at young ages and harvest a greater quantity of pollen compared to their European counterparts (Apis mellifera ligustica). This...

original tree was a chance seedling, thought to be from Granny Smith, with pollen from either Jonathan or Rokewood. Maud and Arthur Williams owned the farm...

hypothesize that the pollen is most likely that of Picea critchfieldii given its distinctiveness from pollen of other extant taxa. Fossil pollen data, used in...

droseracean affinity. It is a form taxon known only from fossilized pollen. Pollen of D. clavatus has been found in the Miocene Peliao Sandstone of Taiwan...

ovules with circular cross-section and a vascularised nucellus, complex pollen-organs, stems and rachides with a dissected stele, and frond-like leaves...

gymnosperms, including the use of a pollen drop to help capture and draw the pollen into the pollen chamber and a pollen tube to deliver the generative nucleus...

diameter, with three long outer petals and three very small inner ones. Its pollen is shed as permanent tetrads. The fruits vary in shape, heart-shaped, spherical...

Dr Henry Pollen's House is a Category 1 historic building in Wellington, New Zealand. The house was built in 1902 for Dr Henry Pollen as a residence and...

needed]. They carry pollen mainly on femoral scopal hairs, but many Andrena have an additional propodeal corbicula for carrying some pollen on their thorax...

and southern United States. Flowers are small, around 5 mm in diameter. Pollens are round, roughly 65 microns in diameter. This wide range is explained...

information to guide the bee to the flower, where the bee often finds nectar or pollen, which are causal inputs, a nutritional function. Information is any type...

regularly lower amount of pollen than in females. Males consistently consume less quantities of pollen than females. Ingestion of pollen differs throughout a...

self-incompatible, geitonogamy can reduce seed production. In flowering plants, pollen is transferred from a flower to another flower on the same plant, and in...

disintegrate to release the seeds. The male (pollen) cones are produced in pendulous racemes, and shed their pollen in early spring. Taxodium species grow cypress...

and papery with a wing around the edge to aid wind-dispersal. The male (pollen) cones are slender conic, 5–11 cm (2.0–4.3 in) long and 1–2 cm (0.39–0.79 in)...

nectar when preparing bee bread during ontogenesis and forages on others for pollen to feed offspring. Pheromones from Dufour's gland are vital to mark flowers...

morphologically identical to the standard non-reproductive pinnules. The pollen-bearing organs are small compound structures formed from up to eight tapering...

the Western leafcutting bee are clear, while their veins are black. The pollen basket below the abdomen is bright red. Like most bees, adult western leafcutting...

the native coccoid palm species of Easter Island. It disappeared from the pollen record circa AD 1650. It is not known whether the species is distinct from...

becomes a member of the Pollen Jocks, and they fly off to a flower patch. Armed with the pollen of the last flowers, Barry and the Pollen Jocks reverse the...

the ovary. These tissues form a nutrient-rich cord for the growth of the pollen tube. When the pistil consists of several carpels, each of them may have...

At first dormant, seeds can be activated by collecting pollen and jumping into them. Pollen is obtained by having the Grimp hit enemies with its body...

for survival. The moth eats the seeds of the plant, while gathering pollen. The pollen has evolved to become very sticky, and remains on the mouth parts...

are laid within a series of small cells, each of which is supplied with a pollen ball for the larvae to feed upon. The adults emerge in late summer then...

that are cocked underneath the petals. The filaments snap upward flinging pollen out of containers hinged to the filaments. The stamens accelerate at a rate...

Pollens is an American indie rock band originally from Seattle, Washington, United States, and now based in New York City. Their sound has been described...

open breeding. Bee pollen is one of the byproducts of the hive. Pollen collection is usually not the main management objective. Pollen is collected by installing...

noted by the earliest descriptions. This species feeds on the nectar and pollen of a diverse range of flowering plants. Endemic to southwest Australia,...

strategy in visiting each gender of flower instead of searching, say, for pollen in a nectar-bearing female flower.[citation needed] Some plants, such as...

the flowers they were named for. Pollen loads being carried by females may contain as much as 80% Toxicoscordion pollen, and they may only visit other flowers...

can visit 75 flowers per trip, and it takes 25 trips to create a complete pollen/nectar provision. The female works tirelessly during the day, only stopping...

Automated Alice to Nymphomation to Vurt to Pollen, the books were originally published as Vurt (1993), Pollen (1995), Automated Alice (1996), and Nymphomation...

Pollen, 2nd Baronet of Redenham (6 April 1784 – 2 May 1863) was a British Conservative and Tory politician. He was the eldest son of Sir John Pollen,...

flowers produce nectar at the base of the long, narrow corolla tube, and pollen near the end of the corolla tube. Only butterflies, moths, skippers, and...

crocodyliforms have been discovered in the formation. At least forty species of pollen specimens are derived from the taxons of angiosperms (monosulcate, tricolpate...

other plant parts. For the plant, it is important to share and receive pollen so they can reproduce, maintain their ecological role, and guide the evolutionary...

blossoms, and most almond blossoms are white in colour. Blossoms provide pollen to pollinators such as bees, and initiate cross-pollination necessary for...

accounting and consulting firms. In August 2025, it was announced that Pollen Street Capital had acquired a majority stake in Leonard Curtis, which until...

Hugging Face announced that they acquired a humanoid robotics startup, Pollen Robotics, based in France and founded by Matthieu Lapeyre and Pierre Rouanet...

plants in the family Ericaceae. Honey made from the nectar and so containing pollen of these plants also contains grayanotoxins and is commonly referred to...

somniferum, the opium poppy). As poppies are not wind-pollinated, their pollen poses no allergy risk via inhalation. A UK study of meadow flowers including...

pulp contains black shiny seeds that are circular and flat. Pollen is a polyad of many pollen grains stitched together. The seed is dispersed via birds...

simple longitudinal slits of the anthers in the upper Hamamelidae where the pollen is predominantly wind-driven. The three types of anthers found in the Hamamelidaceae...

pollination, which can be with other members of the Castanea genus. The pollen is considered a mild allergen. The American chestnut is a prolific bearer...

Chamomile may interact adversely with various herbs and drugs, worsen pollen allergies, and is not recommended for people with hormone-sensitive conditions...

Phase). Denekamp Interstadial – The pollen spectra indicates a shrubby tundra landscape. Hengelo Interstadial – The pollen show sedges (Cyperaceae) and temporarily...

Zealand genus Zorion are known to feed on pollen and have a specialized structure similar to that of pollen baskets found in bees. Species in this genus...

Exomalopsis. As parasites, they lack a pollen-carrying scopa, and are mostly hairless, as they do not collect pollen to feed their offspring. Like non-parasitic...

of high protein pollen are needed to produce an offspring of a given size relative to the required amount of pollen of lower pollen content. However...

Chrysophyta, Pyrrhophyta, Sarcodina, acritarchs and chitinozoans, together with pollen and spores from the vascular plants. A microfossil is a descriptive term...

hollow inside, coated with honey followed by nutty beans, nuts, seeds, pollen, or spice powders. Gangjeong is often served during important events such...

scheuchzeri tree preserved in growth position", Atlantic Geology Seed and pollen organs have not yet been found directly attached to the foliage of Macroneuropteris...

plant group Bennettitales. It is a form genus representing flower-like male pollen-producing organs. It is associated with the female ovulate cone Williamsonia...

Hollister W.; Engel, Michael S. (2019-11-07). "Direct evidence for eudicot pollen-feeding in a Cretaceous stinging wasp (Angiospermae; Hymenoptera, Aculeata)...

mother-cells, which then produce four haploid microspores by meiosis. These become pollen grains, within which the microspores divide twice by mitosis to produce...

the floral tube. The filaments of the stamens are white, the anthers and pollen being yellow. The style has six to eight lobes at its end and is dark red...

the 5 AN-11/21 bombs tests were designated as Pollen I, Pollen Rose, Pollen Rouge, Pollen Safran and Pollen Jonquille. Map all coordinates in "In Ekker...

of the plant gives rise to male inflorescences or tassels which produce pollen, and female inflorescences called ears. The ears yield grain, known as kernels...

legs, to help gather pollen to provision their nests. Ptilothrix species specialize on certain families of plants for their pollen, including the families...

sufficiently coated with pollen. A sticky resin is also produced in drops attached to the spadix which help to keep the pollen attached to the beetles...

planted on a flat floral base. The pollen is yellow and tricolpate except in C. leptosepala ssp. howellii that has pollen with rounded apertures all over...

one of the best albums of 2020 by USA Today. Their sixth studio album, Pollen, was released in 2023. In 2025, after announcing an indefinite hiatus, Tennis...

the pollen. The shooting star plant relies on insects to disperse their pollen, and ultimately, the seeds within the pollen capsules. The pollen capsules...

remains are angiosperm pollen grains, but the boundary layer contains little pollen and is dominated by fern spores. More usual pollen levels gradually resume...

male or female. The male plants have flowers that produce pollen, the females receive the pollen to fertilise their ovules and grow fruit; most kiwifruit...

to serve her using 'hypno-pollen', but both heroes can fight it off; Huntress encouraged Green Lantern to resist the pollen, and Steel's suit's data-protection...

is Chloranthus. The fossil record of the family, mostly represented by pollen such as Clavatipollenites, extends back to the dawn of the history of flowering...

Pollen's vanga (Xenopirostris polleni) is a species of bird in the family Vangidae. It is endemic to eastern Madagascar. Its natural habitats are subtropical...

temperate climate, and from Sidestrand, representing a cold glacial climate. Pollen and macrofossils from the West Runton Freshwater Bed indicates the presence...

years dataset compiled by the PAGES 2k Consortium 2017. A high-resolution pollen analysis of a core from Galicia concluded in 2003 that the Roman Warm Period...

boundary, especially at the edges of sclerites or between segments. In pollen, a grain that is grooved by a sulcus is termed sulcate. Ligamentum teres...

is triploid, with sterile pollen, and as such, requires a second type of apple for pollen and is incapable of pollenizing other cultivars. It is susceptible...

a single in August, Mohager instead announces an upcoming EP entitled “Pollen”. The album would consist of the earlier singles “Heaven”, “Burn Out”, and...

individual's pollen may make contact with its own stigma. For this reason, most plants have genetic mechanisms to prevent fertilization from pollen grains that...

Minister of Native Affairs. In the Waterhouse, fourth Fox, first Vogel, Pollen, second Vogel, first Atkinson and second Atkinson Ministries, he remained...

The anther produces pollen grains which contain the male gametophytes that produce sperm nuclei. For pollination to occur, pollen grains must attach to...

varieties, the singleness allele is closely linked to a pollen-lethal gene. Thus the pollen (male) contribution to seed is always a doubleness allele...

for by the fact that African worker bees have a greater preference for pollen over nectar, which is a direct food resource for the emerging brood. Another...

Manufacturers often list ingredients such as royal jelly, tongkat ali, bee pollen, and ginseng to suggest natural efficacy, though there is little clinical...

III. Clarendon Press. pp. 27–28. doi:10.1111/j.1468-2281.2006.00396.x. Pollen, John Hungerford (1922). Publications of the Scottish Historical Society...

mineralogical properties of sediments, or of biological records such as fossil pollen, diatoms, or chironomids. Most early paleolimnological studies focused on...

sauropod, was recovered at Cerro Condor, composed of a high concentration of pollen grains & cuticular fragments, mainly leaves of two morphotypes (Araucariaceae...

amounts of pollen they produce, posing a potential health hazard for some pollen allergy sufferers. Only the male mulberry trees produce pollen; this lightweight...

ants, who frequently consume nectar and pollen where available despite actively inhibiting germination of pollen at the flowers they visit to the detriment...

a specialized lineage of "crabronid" wasps that switched to the use of pollen and nectar as larval food, rather than insect prey; this makes the traditional...

and pollen assemblages of Jurassic deposits of northeastern Kazakstan and the Kuznetsk Basin. (Taxonomy and Methods for the Study of Fossil Pollen and...

occupied by brood is called a brood frame. Brood frames usually have some pollen and nectar or honey in the upper corners of the frame. The rest of the brood...

meliponiculture are to produce and sell hives (or parts of them), honey, pollen, resins, propolis, wax, and other substrates such as attractants and trap...

plants that fail to produce functional pollen resulting in the inability to self-fertilize or contribute pollen for fertilization. Male sterility can arise...

and winter, they only transition from a diet of pollen to a diet of fruits in the summer. Since pollen is richer in proteins and lipids than carbohydrates...

pollination. They like both nectar and pollen, except the pollen sources seem more specific; they prefer the pollen from the creosotebush (Larrea tridentata)...

reference to easily observed occurrences in nature: bees carry and deposit pollen into flowers, a visible and easy-to-explain parallel to sperm and fertilization;...

function of the anther that causes the release of pollen grains. This process is coordinated precisely with pollen differentiation, floral development, and flower...

or dome-shaped receptacle. The base of the pollen organs are surrounded by bracts up to 6 mm long. The pollen is monosulcate and approximately 25 μm long...

seeds. The male cones are 4–6 cm (1+1⁄2–2+1⁄4 in) long, and shed their pollen in autumn. Young tree in India Older tree in India Trunk Close-up of leaves...

Detasseling corn is removing the pollen-producing flowers, the tassel, from the tops of corn (maize) plants and placing them on the ground. It is a form...

describe, for example, a perfect flower that has both staminate (male, pollen-producing) and carpellate (female, ovule-producing). Individuals with these...

the tribe Eucerini; Peponapis and Xenoglossa. Both genera are oligoleges (pollen specialists) on the plant genus Cucurbita and closely related plants, although...

hybrids have sterile pollen. This requires planting pollinizer rows of varieties with viable pollen. Since the supply of viable pollen is reduced, and pollination...

the entire abdomen (including the dorsal surface) is used for carrying pollen, rather than the legs, as in most bees. Species of Systropha in central...

that each anther contains one or two pollen sacs extending along its entire length. After the maturation of the pollen grains, dehiscence, or opening, of...

that of the pollen sexine. Different hypotheses about their function have been proposed, including them just being a by-product of pollen wall sporopollenin...

sisters, Hon. Daphne Baring (wife of Arthur Joseph Lawrence Pollen, eldest son of Arthur Pollen and grandson of Sir Joseph Lawrence) and the Hon. Calypso...

there was a greater variety of mutation in irradiated pollen rather than irradiated dry seeds. Pollen treated with 46Gy of gamma radiation showed an increase...

are completely enclosed. The pollen germinates after enclosure and tubes are produced. In Phalaenopsis aphrodite, pollen tubes entered the ovary within...

required to produce seeds with surrounding fruit. It is the process of moving pollen from the anther to the stigma, either in the same flower or in another flower...

process of collecting the pollen variety from live flowers during the bloom season and processing them, and re-introducing the pollen back into the orchard...

allergic rhinitis, which is usually triggered by airborne allergens such as pollen and dander. Allergic rhinitis may cause additional symptoms, such as sneezing...

that have evolved in response to natural selection imposed by different pollen vectors, which can be abiotic (wind and water) or biotic, such as birds...

fungi in their cortex. Brachyrhizae also lack signs of epiphytic fungi. Pollen grains are monads, polar axis = (24.0) 27.9 ± 0.4 (30.6) μm x equatorial...

The male cones are globose, 3–6 mm (1⁄8–1⁄4 in) across, and shed their pollen in early spring. Yews are mostly dioecious, but occasional individuals can...

reactions of the immune system to specific substances called allergens (such as pollen, stings, drugs, or food) that, in most people, result in no symptoms. Trees...

forms of rangekeepers. Arthur Pollen and Frederic Charles Dreyer independently developed the first such systems. Pollen began working on the problem after...

The Pollen ministry was a responsible government which held power in New Zealand from July 1875 to February 1876 while Julius Vogel was in London. Julius...

grows to a wingspan of 18 mm (0.71 in), and feeds on small caterpillars and pollen. Two generations occur per year, with one generation overwintering as pupae...

Mugwort pollen is one of the main sources of hay fever and allergic asthma in North Europe, North America, and parts of Asia. Mugwort pollen generally...

2003) Blue Slides At Rest (2004, only available in expanded Poems, 2005) To Pollen (Barque, 2006) STREAK〜〜〜WILLING〜〜〜ENTOURAGE / ARTESIAN (Barque, 2009) Sub...

Institut für Urgeschichte conducted scientific analyses on the sediment, pollen, and fauna found within the cave. The stratigraphic sequence at Öküzini...

determined by molecular phylogenetic evidence. The structure of the mature pollen is one feature that distinguishes the two subgenera: in subgenus Cerris...

are scavengers that feed on dry animal or plant material, such as skin or pollen, animal hair, feathers, dead insects and natural fibers. Members of Dermestes...

flowers have yellow anthers that produce reproductive pollen, and purple anthers that produce food pollen, but no nectar. Long-tongued bees such as bumblebees...

protects and nurtures it and the embryonic sporophyte that it produces. The pollen grains, which are the male gametophytes, are reduced to only a few cells...

sa:पराग in Wiktionary, the free dictionary. Parag is a Sanskrit word, meaning pollen. It may refer to: Parag Agrawal, Indian-American software engineer, former...

They consist of both living and non-living components, such as fungi, pollen, bacteria and viruses. Common sources of bioaerosols include soil, water...

gametes. During pollination, pollen grains are physically transferred between plants from the pollen cone to the ovule. Pollen is usually moved by wind or...

sylvestris cuckoo female bee cannot collect pollen for her nest because it lacks corbicula, which are pollen baskets found on bumblebees on the hind legs...

family Melyridae. It is variously known as the spotted maize beetle, or pollen beetle. It is indigenous to Argentina and neighbouring countries, but has...

Protea species belong is an ancient one among angiosperms. Evidence from pollen fossils suggests Proteaceae ancestors grew in Gondwana, in the Upper Cretaceous...

though a few nest in wood. They mass-provision their young; a mass of pollen and nectar is formed inside a waterproof cell, an egg laid upon it, and...

filaments, anthers monothecous, reniform, basifixed, filament short, extrorse. Pollen are spherical with spikes, size is approximately 90 microns. Carples: five...

Resources are transferred from the mother nest to the new nest, including pollen, honey, and cerumen, but the new nest continues to have very small stores...

It descended in the Pollen family via Sir John Pollen, 2nd Baronet to the latter's great nephew Sir Richard Hungerford Pollen, 4th Baronet. In the late...

mechanism (cf. scorpion senna) pollen is released repeatedly when the keel tip is moved by an insect so as to release pollen through a hole in the tip. The...

smell of sour watermelon, open just before or soon after dusk, and all the pollen is released during the first night. The tree is pollinated by nocturnal...

arctic and high alpine regions. It is of the Bombini tribe, which feeds on pollen or nectar. Bombus polaris has a thicker coat of hair than temperate bees...

your feet become pollen. Your hands become pollen. Your body becomes pollen. Your head becomes pollen. Your spirit will then become pollen. Your voice will...

Middle East, and is widely established worldwide as an urban weed. Its pollen is a significant cause of asthma and other allergies in warmer countries...

some bats, transfer pollen from a male flower part to a female flower part, enabling fertilisation, in return for a reward of pollen or nectar. The partners...

Pseudomasaris vespoides is a species of pollen wasp in the family Vespidae. This species can be found in the western United States as well as Baja California...

with variable style length and few male flowers, and produce seeds and pollen. The latter have male and female forms in different plants: seed figs contain...

study on spores and pollen grains from the Schandelah-1 core (Germany), providing evidence of increased occurrence of malformed pollen grains and shifts...

Street, Boyle Street, and Clifford Street. The freehold is owned by the Pollen Estate. In 2016 Westminster City Council commenced attempts to protect the...

nectar and pollen: Ageratum houstonianum Heliocarpus donell-smithii Miconia argentea Piper sp. S. mexicana production of honey and pollen has been important...

opening allows the pollen (a male gametophyte) to enter the ovule for fertilization. In gymnosperms (e.g., conifers), the pollen is drawn into the ovule...

black. Differing color forms exist geographically. Light-colored pollen on the pollen baskets on a honeybee's rear legs can be visible. Domesticated bees...

labellum, always being present. A specialized staminode, the stamen, bears pollen from a half-anther. A somewhat narrower "petal" is the pistil, which is...

walls of the ostiole. In depositing her eggs, the female also deposits pollen she picked up from her original host fig. This pollinates some of the female...

particular crop's pollination needs, and by knowledgeable management of pollenizers, pollinators, and pollination conditions. While people think first of...

as pollen, cellulose, chitin, and keratin. Some chytrids live and grow on pollen by attaching threadlike structures, called rhizoids, onto the pollen grains...

capable of fast flight; they fly with their wing cases down. They feed on pollen, nectar, and flowers, especially roses. They can be found among roses on...

suggesting that the "yellow rain" was due to mass defecation of digested pollen grains from large swarms of bees. Although the majority of the scientific...

which eventually become pollen grains. Once the male strobilus has matured the microsporangia are exposed at which point the pollen is released. The female...

later works expanded into poetic and personal documentaries, including Pollen Blowing Off Trees (2022) and That Melancholic Nemo (2023). The following...

seedlings usually have two cotyledons, but in some species up to six. The pollen cones are more uniform in structure across the family, 1–20 mm long, with...

The pollen grains (male gametophytes) of Ginkgo and cycads produce a pair of flagellated, mobile sperm cells that "swim" down the developing pollen tube...

pollen. On the surface of the stigma, the pollen germinates; that is, the male gametophyte penetrates the pollen wall into the stigma, and a pollen tube...

extracts of rapeseed (Brassica napus) pollen. Brassinolide was the first brassinosteroid to be isolated in 1979, when pollen from Brassica napus was shown to...

Great Britain. The genus has a rich fossil record of leaves, cupules, and pollen, with fossils extending into the late Cretaceous period and occurring in...

those of the related genus Puschkinia, which are fused into a tube. The pollen is dark blue. After flowering, the flower stems become limp as capsules...

shape and are flattened, and host 5-10 elliptic microsporangia per unit. Pollen has not been observed. Diagnostic characters between Kannaskoppianthus species...

sporophyte bears both male and female gametophytes, i.e., produces both pollen and seeds, or just one. Embryophyte Fern ally Plant sexuality Schneider...

components that define the direction of pollen tube growth. The intracellular components that contribute to pollen tube growth include the actin-mediated...

nectar, the third petal opens to release the anther and cover their feet in pollen. Strelitzia reginae is very popular as an ornamental plant. It was first...

flowers and gather significant quantities of the sticky pollen from male blossoms. Little pollen has been seen on bees foraging female flowers. Although...

scientific and technological aids necessary to improve the quality of European pollen and royal jelly and also to promote the regulatory means that will allow...

2954 {vol. I, p. 255.}). Catholic Record Society founder John Hungerford Pollen wrote that the Richard Gwyn poems discovered by John Hobson Matthews, "fully...

certation is competition in the style between pollen tubes attempting to fertilise the ovules there. If different pollen genotypes have different success rates...

only one thing is for certain; she is terrified of Dragon. 17 "Pride and Pollen" May 14, 2006 (2006-05-14) The scheming Merchant concocts a plan to get...

designated Fischeripollis sp. A. F. halensis was described based on fossilised pollen from sediments in the Hale Basin of central Australia, dated to the middle-late...

case" in relation to its systematic position. Its pollen is unusual within the family Araceae. The pollen grains are small, ornamented differently, and with...

crossbreeds his pepper plants by taking the pollen of one plant with a paintbrush and then delivering that pollen to a different plant. To create the Carolina...

above the plant, which respond to changes in temperature by releasing their pollen as little puffs of smoke. The following species are recognised in the genus...

Glance". "NanoRacks-Ambassador High School-Pollen Propulsion in a Microgravity Environment (NanoRacks-AHS-Pollen Propulsion) - 03.04.15". NASA. Retrieved...

increase the frequency of fertilization of ovules by outcross pollen, as opposed to self-pollen. Although the evident product of more outcrossing is a mutual...

charas. The earliest known (from studies of 2019) evidence of cannabis pollen in the archaeological record is from Japan circa 10000 BCE. Hemp is presumed...

bidding. Tiny: Despite his name, wields a massive axe for decapitations. Pollen: Uses hallucinogenic spores to drive enemies mad before killing them. Initially...

Meligethes is a genus of pollen beetles in the family Nitidulidae. There are more than 80 described species in Meligethes. These 80 species belong to the...

crawl past the stigma, depositing pollen from previous flowers it has visited, and then the anther, receiving pollen. Self-pollination can occur but typically...

Government introduced the Imbecile Passengers Act, Colonial Secretary Daniel Pollen described this legislation as necessary due to the increasing numbers of...

May 22, 2024) was an American palynologist and paleoecologist, who used pollen data to study the vegetation history of the past 21,000 years (i.e. since...

chalazal end become the antipodal cells. In most flowering plants, the pollen tube enters the ovule through the micropyle opening in the integuments for...

These develop into pollen grains, each consisting of four cells and, in conifers, a pair of external air sacs. The air sacs give the pollen grains added buoyancy...

petals are only 4–5 mm (0.16–0.20 in) long and ca. 3 mm (0.12 in) wide. Pollen grains are spherical, approximately 16-18 microns in diameter. In horticultural...

strobili, both pollen-producing and seed-producing, that are composed of sporophylls. Ginkgo produces microsporophylls aggregated into a pollen strobilus....

or spirals. Each has four to 20 elongated pollen sacs attached to the lower surface at one end. The pollen grains are round and do not possess wings or...

Most species secrete latex when injured. Bees use poppies as a pollen source. The pollen of the oriental poppy, Papaver orientale, is dark blue, that of...

Environmental. Retrieved 2026-05-09. Stephens, L. C. (1998). Formation of unreduced pollen by an Impatiens hawkeri × platypetala interspecific hybrid. Hereditas 128(3)...

Contribution to the pollen morphology of Eriocaulaceae. Pollen Spores 7: 181–191. 1965. Pollen morphology of the genus Utricularia. Pollen Spores 8: 265–284...

organs causes floral visitors to first contact the stigma, before removing pollen from the anthers. This form of herkogamy is considered to be common and...

the crop because the roots are touching. Whether CGMMV is transmitted by pollen and pollinators is an open question. Liu et al., 2014 demonstrate simulated...

Mary Clare Asquith, Countess of Oxford and Asquith (née Pollen; 2 June 1951) is an English independent scholar and author of Shadowplay: the Hidden Beliefs...

attributed to shifting flora. While pollen samples have been analyzed to as old as 30,000 years ago, major changes in pollen types around 10,000 years ago have...

The membranous wings are dark-coloured and translucent and the female has pollen baskets on her hind legs. The male has an enlarged joint on his hind leg...

capsids of some viruses have the shape of geodesic polyhedra, and some pollen grains are based on geodesic polyhedra. Fullerene molecules have the shape...

Cretaceous period. Dinosaur bones and eggs, fossil turtles, gastropods, and pollen have been recovered from the formation. The Lianhe Formation is part of...

regulator for oil drilling. Its flowers are a good source of nectar and pollen for bees. The tree can be propagated by planting its seeds, which are soaked...

non-stinging. The plant grows on rubbish and on walls, hence the name. The pollen is a cause of allergy. It was once used in the making of certain metheglins...

laboratory conditions P. fucorum were found to moult after eating fresh pollen, although overall moulting success was low. They are kleptoparasitic or...

foraging for pollen. After this initial test, they began associating floral color with pollen success. The bumblebees' association between pollen and features...

moist broadleaf forests are now gone, but paleobotanical studies of fossil pollen, tree moulds left by lava flows, and root casts found in local soils indicate...

†Brachyoxylon (wood) †Circulina (pollen) †Conites? (cones) †Classopollis (pollen) †Classostrobus (pollen cones) †Dicheiropollis (pollen) †Frenelopsis (foliage)...

to contain their brood (eggs, larvae, and pupae) and stores of honey and pollen. Beekeepers may remove the entire honeycomb to harvest honey. Honey bees...

release of pollen. This means that lower turgor pressures are observed in these structures due to the fact that they are dehydrated. Pollen tubes are cells...

develop into pollen grains, which contain the male (micro)gametophytes. Large amounts of pollen are released and carried by the wind. Some pollen grains land...

Marzia Boi proposed based on published pictures of pollen from the shroud that the most abundant pollen on the shroud was from genus Helichrysum and suggested...

though autumn in a few pines), falling as soon as they have shed their pollen. The female cones take 1.5–3 years (depending on species) to mature after...

Glasgow, Leicester, Manchester and Newmarket. The company is owned by Pollen Street Capital. Mattioli Woods was founded in 1991 by Ian Mattioli and Bob...

when the anthers release pollen and when the stigmas are receptive for pollen. In this species' case, the anthers develop pollen before their stigmas are...

will inevitably come in contact with a lot of pollen, both from the hanging anthers and from the pollen collected by the style. Upon exiting, the bees...

eudicots and monocots. The group is characterized by trimerous flowers, pollen with one pore, and usually branching-veined leaves. Some members of the...

the last known sighting of the pollen. The Trix find Erendor and force him to give them the whereabouts of the pollen. Along the way, their ship is attacked...

forests, supporting peat-forming woodlands. In the Late Pliensbachian, pollen assemblages, dominated by Cupressaceae (e.g., Perinopollenites) and cycads...

consume land plants may eat any or all of the fruit, leaves, sap, nectar, pollen, flowers, bark, cambium, underground storage organs like roots, tubers,...

offices and other built environments, is composed of small amounts of plant pollen, human hairs, animal fur, textile fibers, paper fibers, minerals from outdoor...

2–4.7 in) long. Its bloom period is July to October in North America. Its pollen is wind-dispersed, and can be a strong allergen to people with hay fever...

considered to be closely related based on similarities of morphology of pollen, seeds, cuticles, short shoots and leaves. The validity of this group as...

lakes and wetlands, and archaeological sites also played an important role. Pollen, lake deposits and former levels of lakes have been used to study the ecosystems...

Male flowers are white, with five small petals and 20–30 stamens. The pollens are oval in shape and about 52x32 microns in size. The female flowers are...

by tea. It can be made by kneading grain or other edible seed flour or pollen with honey, then pressing them into a decorative mould called dasikpan (다식판)...

the flowering period, as well as the resources harvested by bees (nectar, pollen, propolis, and honeydew). Each plant does not produce the same quantity...

by thermogenesis. This helps to lure flies into the plant to contact its pollen. The plant still is being studied for the way it is able to produce its...

flower is reduced to a pair of stamens and hairs, and it withers once the pollen is shed. Large numbers of tiny female flowers form a dense, sausage-shaped...

pinnae, each divided into 10–20 pairs of secondary leaflets or pinnules. Pollen grains are elongated, approximately 52 μm in size.[citation needed] In India...

becomes hard and brittle. When foraging, worker bees primarily harvest pollen and nectar, while also collecting water and plant resin necessary for the...

pollinators to transfer of pollen from one plant to the pistils of another, essential for fertilization and seed formation. The pollen of orchids is organized...

which is typified by a group of plants with Lepidopteris leaves, Antevsia pollen-organs, and Peltaspermum ovulate organs, though the family now also includes...

Brassicogethes is a genus of pollen beetles in the family Nitidulidae. The following species are recognised in the genus Brassicogethes: Brassicogethes...

is no longer receptive to pollens, the male flowers start to bloom, and the inflorescence opens again. This allows the pollen to be deposited on the emerging...

infected plants. The virus is transmitted via pollination with RBDV-infected pollen grains that first infect the stigma before causing systemic infection. RBDV...

dermatitis in both plants and animals. The Parthenium pollen grains frequently trigger pollen allergies. If ingested, it can cause respiratory illness...

hybrid between a koji-type species (seed parent) and the tachibana orange (pollen parent, Citrus tachibana). Its genotype matches with that of the komikan...

including nectar, plant sap, tree sap, dung and of adaptations to the use of pollen as complementary food in Heliconius butterflies. An extremely long proboscis...

shape with a small to distinct median apical glossal point. Hylaeus carry pollen in the crop, rather than externally, and regurgitate it into the cell where...

the pollen can more easily form pollen rafts, enabling distribution over a large surface area of water. The pollen is epihydrophilous (pollen distributed...

(2014) Burn the Ships (2017) Under the Sun (2019) Blacktop Mojo (2021) Pollen (2024) Static (2020) Current members Matt James – lead vocals (2012–present)...

fragment as a literary form, Pollen, was published in the Athenaeum in 1798. English translations include: Pollen "Pollen" . Writings of Novalis, Volume...

cat that is suspected of eating any part of the lily – including licking pollen that may have brushed onto its coat. List of plants known as lily Easter...

land animals to move their pollen between reproductive organs. Because they are self-pollinating, they do not need the pollen to move several feet to another...

Araceae, native to Luzon in the Philippines. With Alocasia odora it is the pollen parent of the large landscaping plant Alocasia × portora.[unreliable source...

catkins on different plants (dioecious); the male catkins mature yellow at pollen release. The fruit is a small capsule 7–12 mm long containing numerous minute...

in dangling flowerheads called panicles. They produce copious amounts of pollen and nectar that are attractive to insects. The winged seeds or samaras are...

with a well-documented fossil history due to the presence of fossilized pollen spores, known by the palynotaxon Tricolpites reticulatus. It is a Gondwanan...

of enhanced reproductive success through increased pollen deposition on stigmas and export of pollen to fertilize the ovules of other plants. Senescence...

pollen, foliage, or stems. Stinging wasps are predators, and will provision their larvae with immobilized prey, while bees feed on nectar and pollen....

do during the day. A study conducted in the UK found moths dusted with pollen from 47 different plant species, including seven species largely ignored...

also occur when individuals with allergies to certain substances, such as pollen, dust, latex, soy, shellfish, or animal dander, are exposed to these allergens...

account pollen allergies, contact allergies, and odor allergies, with higher weighting given to pollen allergies that are caused by inhaling pollen into...

first isolated brassinosteroid, it was discovered when it was shown that pollen from rapeseed (Brassica napus) could promote stem elongation and cell division...

Filipendula rubra is known for its air-borne pollen, however pollination is only effective (can create a seed) when pollen is transferred to a different plant...

diameters both less than and greater than 0.3 μm. HEPA filters capture pollen, dirt, dust, moisture, bacteria (0.2–2.0 μm), viruses (0.02–0.3 μm), and...

expand and release pollen, and wind pollination takes place. A catkin of Silver birch could produce an average of 1.66 million pollen grains. The small...

coalified tree trunks of Agathoxylon hoodii associated with seed cones, seeds, pollen cones and leaved twigs of Araucaria delevoryasii from the Upper Jurassic...

began in 1987 to make way for its namesake high-rise building. Dr Henry Pollen's House (aka House of Ladies) had to be saved as a condition of using the...

worm larvae have both been found with pollen grains, the plant producing nutritious mucigenous clumps of pollen to attract and stick to them instead of...

one resin canal that is present beneath the single vascular bundle. The pollen cones grow solitary from lateral buds. They are 3–5 mm (1⁄8–3⁄16 in) – usually...

pollen organ of a seed fern (Pteridospermatophyta). It was first described by Hamshaw Thomas from the Umkomaas locality of South Africa. The pollen organs...

weight of the bird when standing on the spathe opens it to release the pollen onto the bird's feet, which is then deposited on the next spathe it visits...

rhinitis, possibly due to an increased trapping capacity to filter out pollen and other common allergens. A number of devices have been sold to trim nasal...

The flowers of Commelinaceae are ephemeral, lack nectar, and offer only pollen as a reward to their pollinators. Most species are hermaphroditic, meaning...

and/or deter harmful florivores while benefiting from the plant's supply of pollen and nectar, which T. onustus spiders are able to use as food sources, especially...

Normapolles is an extinct angiosperm pollen group that arose in the Cenomanian (Late Cretaceous). Normapolles persisted until the early Oligocene Epoch...

mostly achieved without physical contact between mating individuals. Plant pollen has the capability to produce the male gametes required for fertilization...

angiosperm look-alike pollen type from the Mesozoic Era. When it was first described in Sweden, it was thought to represent pollen from the earliest angiosperms...

found Prunus as the dominant pollen type in pollen loads, but the females in apple plantations mainly collected malus pollen when it was particularly easily...

larvae are seed-borers, usually in seeds of legumes. Many adults feed on pollen, not necessarily the same species as that of the larval host. Some do not...

secondary) pollination that is common among the families of the order, wherein pollen is collected and stored on the length of the pistil. The name and order...

runny nose, shortness of breath, or swelling. Common allergens include pollen, certain foods, metals, insect stings, medications, and materials, such...

stage of stigma receptivity and then it releases the insects after the pollen is shed. While the flower doesn't close completely, the sticky walls are...

one day while male flowers mature and release pollen. Pollen falls on these insects, and they carry pollen as they exit the spathe and can pollinate female...

late winter to early summer are followed by large green edible fruit. Its pollen is shed as permanent tetrads. Along with the other members of the genus...

mobile top-up to foreign workers living in the Asia Pacific region. In 2021, Pollen Street Group acquired a majority stake in Ding. As of 2022, its users have...

female cycads bear strobili, somewhat like conifer cones, containing their pollen and seeds, respectively. Cycads fix nitrogen in association with cyanobacteria...