DOSEN PROFIL LENGKAP

a whorl subtending an inflorescence are collectively called an involucre. An involucre is a common feature beneath the inflorescences of many families...

diameter, surrounded by an involucre (husk) which partly to fully encloses the nut. The shape and structure of the involucre, and also the growth habit...

gynoecium. Nuts may be contained in an involucre, a cup-shaped structure formed from the flower bracts. The involucre may be scaly, spiny, leafy or tubular...

accessory fruit because the outer covering of the fruit is technically an involucre and thus not morphologically part of the carpel; this means it cannot...

united bracts, which form a cup-like involucre. Their upper tips are free and cover the opening of the involucre (like the shutter of a camera). These...

involucral bract or tegule, is a single bract of the involucre of a composite flower. The involucre is the grouping of bracts together. Phyllaries are reduced...

herbaceous annual that has catkin-like inflorescences with cup-shaped involucres surrounding the minute flowers. It is mainly known for its root being...

Gerbera involucre...

edges, and close at night. The involucre is subcupuliform or obtusely bell-shaped (campanulate) in shape. Both the involucre and scape can be glabrous or...

Accessory Fruit Organs Organ Fruit Hypanthium apple, pear, rose hip Involucre pineapple Peduncle cashew apple Perianth anthocarps of the Nyctaginaceae...

involucre, a cup-like part below and supporting the cyathium head. The "involucre" in the genus Euphorbia is not to be confused with the "involucre"...

leaves. These prickles protect the plant from herbivores. Typically, an involucre with a clasping shape, similar to a cup or urn, subtends each of a thistle's...

(1⁄2–1 in) long, fully enclosed in a 3–5 cm (1+1⁄4–2 in) long, tubular involucre (husk). The filbert is similar to the related common hazel, C. avellana...

0 m). It has alternate, entire smooth leaves and reticulate veins. The involucre has 30 to 40 green, imbricated scales with short hairs. Actinomorphic...

and together they form the involucre that protects the individual flowers in the head before they open. The involucres of S. novae-angliae are campanulate...

(9⁄32–5⁄16-inch) long nut, partially surrounded by a three- to seven-pointed leafy involucre 2–3 centimeters (3⁄4–1+1⁄4 in) long; it matures in autumn. The seeds often...

filbert (Corylus maxima) by the short involucre; in the filbert the nut is fully enclosed by a beak-like involucre longer than the nut. Male catkins Female...

The pseudanthium has a whorl of bracts below the flowers, forming an involucre. In all cases, a pseudanthium is superficially indistinguishable from...

Several species have small heads of inconspicuous flowers surrounded by an involucre of large, typically white petal-like bracts, while others have more open...

each seed is a small nut 2–4 mm long, fully enclosed in a bladder-like involucre. The wood is very hard and heavy. The genus name Ostrya is derived from...

phyllary is associated with a ray floret. Species of Arnica, with an involucre (a circle of bracts arranged surrounding the flower head) arranged in...

receptacle is surrounded by the involucre, a whorl of overlapping bracts called phyllaries. In Bidens, just beneath the involucre is the calyculus, another...

scale-like bracts. These are known as phyllaries; collectively, they form the involucre, which serves to protect the immature head of florets during its development...

and together they form the involucre that protects the individual flowers in the head before they open. The involucres of Symphyotrichum dumosum are...

crop in some regions. It is a true nut and grows in a spiny, cup-shaped involucre formed from the calyx. World production in 2019 was 2.4 million tonnes...

differs from C. cardunculus in that the leaf lobes and inner bracts of involucre are less spiny. Cynara cornigera leaves and flowers are eaten raw or cooked...

5-merous, small, and clustered in typical heads, which are surrounded by an involucre of between two and four whorls of bracts. In Felicia, the centre of the...

enclosed in a papery sac-shaped involucre 10–18 mm (3⁄8–11⁄16 in) long and 8–10 mm (5⁄16–3⁄8 in) wide. The involucre changes from greenish-white to dull...

biennial, or perennial herbs. Many species are thorny on leaves, stems, or involucre, and some have laticifers or resin conduits. Almost 80 genera comprising...

(3⁄8–3⁄4 in) long surrounding the yellow disc florets. Below the head is an involucre of glabrous green bracts 7–10 millimetres (1⁄4–3⁄8 inch) long with brownish...

green to dark reddish, about 18 cm (7 in) long, densely hairy stalks. The involucre is 5–7 mm (0.20–0.28 in) in diameter, and consist of two strict rows of...

the shape of their leaves and the shape of the inner row of terminal involucre bracts: G. krebsiana subsp. serrulata. This subspecies is indigenous to...

Flower heads are yellow, with both ray florets and disc florets. The involucre is made up of 2-3 series of imbricate phyllaries. It is found in calcareous...

Asteraceae native from Mexico to Guatemala. Part of an inflorescence showing involucres, phyllaries, ray florets, and disk florets Larger inflorescence POWO 2021...

within this genus can vary extensively in their habit, leaf division, involucre, receptacle and achenes. This makes it difficult to define them by comparing...

found in grasslands and pastures. Habit Stem Inflorescence Involucre (unopened) Involucre (blooming) illustration from Britton, N.L., and A. Brown. 1913...

Packera glabella involucres...

each seed is a small nut 4–6 mm long, fully enclosed in a sheath-like involucre. The local people in Northeast China has found hazelnuts of Ostryopsis...

its leaves feel more fine sandpaper-like instead of soft and hairy, the involucre (flower bract) is less densely wooly, and it is probably more resistant...

an outer calyx. 2.  In some Asteraceae, a circle of bracts below the involucre. calyptra A hood or lid. See operculum. calyx Collective term for the...

Symphyotrichum drummondii (formerly Aster drummondii) is a species of flowering plant of the family Asteraceae native to the central and eastern United...

summer but produces flowers all year round. Extrafloral nectaries at the involucre were first reported on E. milii by Teng and Hu 2002. The sap is moderately...

axils of the leaves, on their own or in open to tightly packed cymes. The involucre may be narrowly cylindrical to half globular, and consists of at least...

diameter. Each capitulum is on the tip of a branch or the main stem. The involucres are bell-shaped, 20 millimetres (0.79 in) long and 20–30 millimetres (0...

in corymbiform arrays, but in rare cases they may be borne singly. The involucres, the bracts at the base of the flower heads, are cylindro-campanulate...

pseudo-umbels, flat-topped or rounded flower clusters, each pseudo-umbel with an involucre of four or six decussate bracts. Litsea auriculata S.S.Chien & W.C.Cheng...

bristles. The ray florets are narrower than in Aster but are longer than the involucre (=whorled bracts). Many species are used as ornamental plants, with numerous...

the nut is surrounded by a short leafy husk (which is technically an involucre). This leaf-like husk encloses most of the nut. It starts off green and...

with pedicels that are usually stipitate-glandular and hispidulous. The involucre is less pubescent and the phyllaries acute or acuminate. Bebbia juncea...

involucre (husk) 3 cm diameter, which encloses all but the tip of the nut; the nuts are borne in tight clusters of 3–8 together, with the involucres fused...

to densely hairy. Leaf margins can be lobed, toothed, or entire. The involucre of Gaillardia aristata, which ranges from 10 to 20 mm (0.39 to 0.79 in)...

the upper branches. A cluster of 3 to 5 flowers blooms in a bell-shaped involucre of five partly fused bracts. Each five-lobed, funnel-shaped flower is...

scales. Together they form the involucre that protects the individual flowers in the head before they open. The involucres of Symphyotrichum pilosum are...

axils on the upper branches. Five to nine flowers bloom from a cup-shaped involucre of several partly fused bracts. Each five-lobed flower is about 1.5 centimetres...

four rows of bracts at the base of each head, forming a hemispherical involucre 2.8–6 mm (0.11–0.24 in) long. Each head has fourteen or fifteen white...

notably in the genera Carpinus and Corylus, the cupule is replaced by an involucre, which differs in being more leafy in appearance, but performs a similar...

a spiny involucre. Upon fruiting, these two flowers ripen into two brown to black achenes and they are completely enveloped by the involucre, which becomes...

petioles. The flower's involucre is glabrous and a sub-cylindrical shape, with a distinctive fleshy truncate base. The involucre bracts/scales are a distinguishing...

phyllaries, which together form the involucre that protects the individual flowers in the head before they open. The involucres of S. ontarionis are campanulate...

mid-summer, from July to September. The capitula are surrounded by an involucre made out of many bracts, each curving to form a hook, allowing the mature...

elliptical/narrowly elliptical, entire margin; the inner bracts pinnatisects. Involucre broadly campanulate, 3-4 cm in diameter. Phyllaries are numerous, imbricated...

more densely set near the flowerhead. Flowerheads are enclosed in an involucre of 1.5–2.5 cm long, which has a diameter of 1–2 cm. The individual bracts...

reduced as to only contain one floret, which is surrounded by its own involucre. Five to seven of these monofloral flower heads combine into secondary...

The many inflorescences bear solitary flower heads, each with a bulbous involucre of rough phyllaries. The flower head has a center of many yellow disc...

yellow disc florets. The ray florets are lacking in var. disciformis. The involucre bracts, 5–9 mm (1⁄4–3⁄8 in) long, are more or less the same length and...

Each flower is subtended by a number of bracts, that may form a sort of involucre, has 3-7 tough free sepals and mostly 5–8, but occasionally up to 13 free...

small nut 2–4 mm (1⁄16–3⁄16 in) long, fully enclosed in a bladder-like involucre. Ostrya carpinifolia is found in Lebanon, Italy, France, Austria, Slovenia...

on setose scapes. The flower's involucre is also setose, and a campanulate shape, with an obtuse base. The involucre has at least two rows of terminal...

(0.28–0.31 in) long nut, partially surrounded by a three-pointed leafy involucre 3–4 cm (1.2–1.6 in) long; it matures in autumn.[citation needed] Distribution...

flower head is slightly convex, measuring around 32 mm in diameter. The involucre is about 16 mm tall and has a glaucescent (bluish-green) hue. Outer involucral...

They are peduncle about 5 mm long. Cyathophylls as long as involucre, membranous. Involucre ca. 2.5 × 2.5 mm. Nectar-glands 5, transversely elliptic, dark...

heads are quite large – about 3 centimetres (1.2 in) in diameter. The involucre of the flower head is covered by hairy scales ending with a single grooved...

many as 1500 small yellow flower heads in a large conical array. The involucres of the main subspecies (S. a. subsp. altissima) are usually 3–4 millimeters...

and 5–11 mm (0.20–0.43 in) wide. There are about 10 bracts forming an involucre at the base of the heads, the outer ones leaf-like, and two concave bracts...

the tip, a poorly developed or absent involucre, but four or five very large bracts forming a pseudo-involucre subtending the four to seven flowers per...

appear small clusters of flowers which hang on short stalks in bell-shaped involucres. The two-millimeter-wide flowers are bright rose and white in color. Jepson...

branches hang tiny clusters of glandular flowers a few millimeters wide in involucres of bell-shaped bracts. Each flower is less than three millimeters wide...

several true flowers) called a cyathium. This is usually a small, cup-like involucre consisting of fused-together bracts and peripheral nectary glands, surrounding...

flowers surrounded by five white bracts - not petals but formed from the involucre at the base of the flowers. Flowering spurge blooms from June to September...

inflorescence is a wide cluster of flower heads, each enveloped in an involucre of rows of bright white phyllaries. Classification is disputed between...

wider leaves with more teeth, while E. chlorolepis has more rays, longer involucres, and only occurs in the southern U.S. from Virginia to Georgia. Three...

surface is hairy or glabrous, rarely scaly. Peduncles are 3–10 cm long; involucres are campanulate to hemispherical, about 1 cm high; chaffy bracts are lanceolate...

with a range of size (5–20 x 1–3 mm). The plant has an acute apex with involucre-like bract of about six to nine. Flowers range from .5 to 1.2 centimeters...

squamiform, forming a type of cone, or with bright colours, forming an involucre or pseudanthium, the peduncles and pedicels sometimes contracted, compacted...

florets, which are both fertile and have cream-colored corollas. The involucre surrounding the flower head is initially egg-shaped, but becomes bell-shaped...

its own or in a cyme. Each individual flowerhead is surrounded by an involucre, consisting of one or two rows of bracts that are often leaf-like and...

corymbose panicles terminating the main stems and lateral branches. The involucre is turbinate, 4.5–5.0 mm (0.18–0.20 in) long, with scarious phyllaries...

the genus accommodates all Scabiosa taxa with a pitted epicalyx. (an involucre (structure surrounding or supporting, usually a head of flowers) resembling...

monophyletic and may be better characterized by the presence or absence of involucre bracts (i.e., an epicalyx). No new phylogenies have yet been proposed...

cm long. Capitula in loose paniculate corymbs, on stalks to 7 cm long; involucre 4–7 mm high; outer phyllaries yellowish near base, green near apex, hispid‑pubescent;...

series, with acuminate apices. The 14–25 millimetres (1⁄2–1 in) wide involucres are green to dark green or brownish-green, with dark grey or purplish...

flower head Balsamorhiza sagittata insect predation Balsamorhiza sagittata involucre. Balsamorhiza sagittata Balsamorhiza sagittata in Grand Teton National...

being the defining feature: "an umbellate inflorescence subtended by an involucre of one or more spathaceous bracts". His work on this has been upheld by...

Spikelet is up to 2.5 cm (0.98 in) long with bristly hairs, with an involucre half the length of the spikelet. DeLisle, D. G. 1963. Taxonomy and distribution...

dark reddish brown scape. The flower heads have a bell- to cup-shaped involucre that consists of 20–24, purplish, overlapping bracts in 3–4 whorls. These...

flowers are grouped in cyathia, with male flowers extending beyond the involucre and female flowers having pedicels. The capsule is globose and smooth...

together varies up to 10 or 11, sometimes forming a less or more conspicuous involucre. The nodding flowers open from mid May to mid June, are sometimes single...

in terminal racemes or in the axils of upper leaves, surrounded by an involucre of bracts. The corolla is campanulate and pubescent with five dark violet-blue...

subcontinent to peninsular Malaysia and Taiwan; naturalized elsewhere. The involucres are ovoid, bony and glossy. It has hard shells and is used as beads in...

with cyanobacterial symbionts. The sporophyte horns have a thick basal involucre and when dehisced form whip like curls. Spores are small and laevigate...

3 in) long. The heads are 13–21 mm (0.51–0.83 in) wide with a conical involucre 4–6 mm (0.16–0.24 in) long. Each head has two to four white ray florets...

5-merous, small and clustered in typical heads, and are surrounded by an involucre, consisting of in this case several whorls of bracts, which are merged...

(cross-section) Stem (halved) Basal leaves Stalk leaves Bolting Flowerheads Involucre Blooming Flower Flower (cross-section) by Swedish botanist C. A. M. Lindman...

"flowers" are yellow with a top-shaped to cylindrical or hemispherical involucre, depending on subspecies, the involucral bracts in five series. This species...

each head 8–15 mm (0.31–0.59 in) in diameter with a narrowly conical involucre 3.5–5 mm (0.14–0.20 in) long at the base. Each head has one or two white...

species are distinguished by their glabrous and resinous stems, leaves, and involucres; small, thickened, obovate or cuneate leaves with distally few-toothed...

posterior molars, and the bony ring on the temporal bone (bulla) and the involucre, a skull feature that was previously associated only with cetaceans. Since...

and together they form the involucre that protects the individual flowers in the head before they open. The involucres of Symphyotrichum lateriflorum...

as “spikes” that can extend up to approximately 5 cm. They consist of involucre bracts, meaning that a collection of leaf and petal-like extensions support...

8 in), linear to oblanceolate, without teeth and more or less hairy. The involucre is 5–10 millimetres (0.2–0.4 in). The flower head has 6 to 13 ray flowers...

Symphyotrichum cordifolium leaves Flower heads showing involucres Close-up of an involucre showing phyllaries Abaxial side of a leaf Flower heads Showing...

stipules. The inflorescence is a head of flowers borne in a bowl-like involucre of wide, hairy bracts. The head is not more than 1 cm wide. Each flower...

loose leafy inflorescences. The 5-lobed florets are reddish purple, the involucre is narrow oblong. The purplish bracts are appressed to the stem, being...

each head sessile and 2–3 mm (0.079–0.118 in) in diameter with a conical involucre 1.7–2.5 mm (0.067–0.098 in) long at the base. Each head has 3 to 5 ray...

axil of the leaves near the tip and stand on a stalk of ½–3 cm long. The involucre is ¾–1¼ cm long, the individual bract with a row of hairs along the rim...

pseudodrupe (or drupe-like nut), the outer covering of the fruit is an involucre – in a drupe the covering would be derived from the carpel. The nut kernels...

rarely up to three flower heads. The flower heads have a bell-shaped involucre with about 40 bracts, sixteen to thirty three violet to white ray florets...

2-17 disc flowers but no ray flowers, outer phyllaries have distinct involucres 4-7 mm high. The Plant List, Iva imbricata Walter Biota of North America...

singly on the ends of branches, the leaves grading to the hemispherical involucre at the base. Each head is 25–30 mm (0.98–1.18 in) in diameter with ten...

are 5-merous, small and clustered in typical heads, surrounded by an involucre of bracts. In Pteronia, the centre of the head is taken by relatively...

long. The inflorescence is a head of flowers borne in a deep bowl-like involucre of bracts that can nearly envelop the whole head. The flower corollas...

axils on the upper branches. Usually six flowers bloom in a bell-shaped involucre of five partly fused bracts. Each five-lobed, funnel-shaped flower is...

are a pigmented modification of the calyx. Similarly, the 'calyx' is an involucre of bracts. The flowers are funnel-shaped and pentalobed, they have no...

ciliate. The flower heads sit individually at the tip of stalks, have an involucre of three whorls of bracts, and about thirty light blue ray florets surrounding...

the base of the stem. The inflorescence is evenly lined with hanging involucres of flowers. The individual flowers are less than 2 millimeters wide and...

It is a member of the Hedyosmum callooso-serratum group as the fused involucre represents. Hedyosmum occurs in the West Indies, Central America and South...

size, and by its involucre lobes, which are erect and appressed in E. thymoides, and spreading to reflexed in E. douglasii (the involucre is the bract that...

15–35 mm (0.59–1.38 in) in diameter with a conical to hemispherical involucre at the base. Each head has 8 to 25 white ray florets, the ligule 8–20 mm...

enlarged part of the stem known as the receptacle. Around the disc is an involucre of modified leaves, the bracts, which in Xerochrysum, as in most Gnaphalieae...

distinct, sharp-margined white tips. The bracts tips are rounded and involucre 6–12 mm high. The corolla is 4–6 mm long. The ray flowers are 3–3.8 mm...

clusters near the apex of leafy branches, consisting of 20-40 pink florets, involucre 0.7–1.1 cm (0.28–0.43 in) long, enclosed by a distinctive whorl of 3 or...

of the branches or in the leaf axils. Each flower head consists of an involucre, 5–6 mm (0.20–0.24 in) high, with several whorls of lanceolate bracts...

on inflorescence stalk and involucre Corymbium glabrum, habit C. glabrum with glabrous inflorescence stalk and involucre Corymbium villosum, habit C...

green sepals and four yellow petals grouped together on one side of the involucre. The whiskery yellow stamens protrude up to 1.5 centimeters from the flower...

about 5 mm (0.20 in) long, and are more or less sessile, surrounded by an involucre of bracts. Flowering occurs in spring, but not every year, and the fruit...

sit individually on top of a stalk of up to 8 cm (3 in) long, have an involucre of three whorls of bracts, many yellow ray florets and many yellow disk...

readily identified by the horn-like projections on the glands of the involucre. Blooming time is in spring and early summer. The plant is used medicinally...

surrounded by many red and green, egg-shaped to lance-shaped bracts forming an involucre nearly 25 mm (0.98 in) long. The sepals are more than 6 mm (0.24 in) long...

5-merous, small and clustered in typical heads, and are surrounded by an involucre, consisting of in this case two whorls of bracts, which are almost free...

apparently not uncommon. Before the barber began, a rough cloth (ὠμόλινον, involucre) was placed on the customer's shoulders to keep hair off their clothes...

he was thinking about. He wrote, "This has decidedly the scales of the involucre in a single series... " His involucral scales were the leafy bracts immediately...

sometimes ciliate. The involucre is smooth (glabrous) and campanulate, with an obtuse base (sometimes subintruse). The outer involucre bracts have ciliate...

wide. The inflorescence bears several flower heads each in a cuplike involucre of phyllaries with purple-tinged, pointed lobes with white edges. The...

produced by glands that are produced by bracts (collectively called the involucre), adapted leaves attached below the cyathium. These bracts are fused into...

phylogenetic analyses suggest that the evolution of entomophily and of an involucre of bracts surrounding the flower primordia preceded the divergence of...

flower head or cluster of heads at the tip of the stem. The bell-shaped involucre is lined with pointed phyllaries that curl back as the head matures. The...

distal pedunculate) in (leafy) spiciform arrays 4–9(–12) × (0.5–)1–5 cm. Involucres hemispheric, 3–4 × 3.5–4 mm. Phyllaries (obscurely scarious) densely tomentose-villous...

the top of the long shoots, on up to 4 cm (1+1⁄2 in) long stalks. The involucre is up to 11⁄2 cm (0.6 in) in diameter and consists of three to four rows...

globose-campanulate arranged in raceme on the inflorescence axis. The involucre is purple and sparsely hairy. The ligulate flowers are female and the...

usually in a corymb cluster on lateral branches of 45-80 florets and the involucre 0.8–1.4 cm (0.31–0.55 in) long. The pink-purple or red-purple corolla...

florets. The fruit is a hairy cypsela. S. campestre in Idaho S. campestre involucre The natural range of Symphyotrichum campestre extends much of the western...

and together they form the involucre that protects the individual flowers in the head before they open. The involucres of S. falcatum are campanulate...

a single disk floret. The most outward part of the flower head is the involucre, which is narrowly vase-shaped to cylindric and approximately 1 cm (0...

the earth all the poisons distilled by the nocturnal alembics in the involucres of the Malvaceae all the thundering of the Saponaria are like these discordant...

leaf blades are linear to narrowly elliptic. The heads of flowers have involucres that are mostly hemispheric (shaped like a globe that is cut in half)...

be branched, except for those that bear flower heads. Leaves, stems, involucres, and peduncles are green and pubescent, except for the bottoms of leaves...

plants of the genus Helichrysum, the immortelle plant possesses a large involucre of dry scale-like or scarious bracts, which preserve their appearance...

herbaceous habit, a pappus usually of awns and scales, and a multi-seriate involucre. Botanists Schilling & Panero in 2002 and 2011, studied the subtribe Helianthinae...

leaves, its height and upright habit, and the fusion of the bracts of the involucre into a continuous body. "NatureServe Explorer". NatureServe Explorer....

produce fruit. Beneath the flower proper, oval bracts of the plant form an involucre, with soft hairs on each; further bracts are bristled and sit at right...

used in ornamental plantings. The flower clusters have no great white involucre as have those of the flowering dogwood, and the fruit is dark purple instead...

clusters,) with leaf like bracts at its base. There is one heavily villous involucre, roughly 5–6 mm high per ray of the umbel. The perianth is 4–6 mm long...

peduncles. The inflorescences have crateriform to hemispheric shaped involucres which are 12–40 mm (0.47–1.57 in) wide. The phyllaries, or bracts below...

8 in) in diameter. Each head or daisy-like "flower," has a bell-shaped involucre 12–18 mm (0.47–0.71 in) long, and eight to twelve ray florets, the petal-like...

recurved. The single flower heads are 18–30 mm (0.71–1.18 in) in diameter, involucre bracts in rows of 7–10, bright yellow to orange, some oblong-lance shaped...

8–40 cm high, carrying solitary flowerheads at their tips with a papery involucre whitish to beige, reaching beyond the yellow ligulate florets. Flowers...

contents of the ovary, which can be floral parts like the receptacle, involucre, calyx, and others that are fused to it. Fruits are often used to identify...

ends of branches on a peduncle up to 25 mm (0.98 in) long with a conical involucre at the base. Each head is 8–20 mm (0.31–0.79 in) in diameter and has eight...

in the stems of Achillea, Matricaria and Sonchus oleraceus and in the involucre of Tragopogon. Bei-Bienko, G.Y. & Steyskal, G.C. (1988a) Keys to the Insects...

accessory fruit because the outer covering of the fruit is technically an involucre and thus not morphologically part of the carpel; this means it cannot...

produces several flower heads on long peduncles, each with a rounded involucre of glandular phyllaries. The heads bear yellow ray florets up to a centimeter...

peduncle are thicker towards the apex. Flower bud enclosed within an involucre by four bracts usually covered with pubescence; 3 elliptical sepals, white...

heads have many flowers and are 3 to 5 mm in diameter with a 5 to 8 lobed involucre. Pistillate heads are 2 flowered and lack corollas. Ambrosia dumosa has...

flowerhead are sometimes present. All the flowers are hermaphroditic. The involucre is broad (13–17 mm (0.51–0.67 in) and shallowly bell-shaped. It is made...

very nearly so, and surrounded at the base by an imbricate involucre. Very rarely, an involucre may enclose two flowers rather than just one, providing further...

Liagora magniinvolucra Fig. 9. shows an early stage in gonimoblast development showing the already extensive development of the involucre...

cream-colored, becoming pink or purple with maturity. Stem and leaves Involucre showing phyllaries and bracts Flower head Symphyotrichum puniceum is a...

green, rough-haired phyllaries in a broad (14-28mm) somewhat leaf-like involucre below the flower. The head bears 16-20 curling, bright yellow ray florets...

presence of longitudinal wings on the involucre. The only other subgenus (Riella subg. Riella) bears smooth involucres that lack these wings of tissue. Species...

with an involucre that is 7-10mm wide and obtusely bell-shaped (campanulate). Distinguishing characteristics of this species are the involucre scales....

12 mm (0.47 in) long. Each head or daisy-like "flower" has a bell-shaped involucre 2.2–4.0 mm (0.087–0.157 in) wide at the base, and eight to eleven ray...

and more or less sessile, with five or six rows of bracts forming an involucre 3.5–5 mm (0.14–0.20 in) long at the base. Each head has three to six ray...

sterile, tubular, and lack a pappus. Inner florets extend beyond the involucre and have a short, feathery (plumose) pappus. Panaetia muelleri is found...

a green, fibrous involucre, which dries and opens to release the fruit, becoming brown and woody in the process. The dry involucres may persist on the...

length, a distinguishing hallmark for identification of this species. An involucre structure measures six to ten millimeters and may be somewhat hemispheric...

and together they form the involucre that protects the individual flowers in the head before they open. The involucres of Symphyotrichum kentuckiense...

5-merous, small and clustered in typical heads, and are surrounded by an involucre, consisting of in this case several whorls of bracts, which are merged...

many yellow disc florets surrounded by up to 25 white ray florets. The involucre consists of long, prominent phyllaries. It blooms in the Spring. The fruit...

stems. It has cylinder-bell shaped involucres with green, purple-tipped phyllaries in 4–6 rows on its involucres. It blooms September–December with flower...

florets are female, others are male, hermaphroditic or entire sterile. Head involucres are campanulate to cylindric or attenuate. Floret corollas are usually...

each page, charged with a sprigg of three Hazel Nuts all slipped and involucred Azure, a demi Sun in splendour Gold mantled Azure doubled Supporters:...

species complex with Lagenophora stipitata. The flowers are white. The involucre and ray floret length is slightly smaller than the related Lagenophora...

are more or less sessile, with three or four rows of bracts forming an involucre 4–5 mm (0.16–0.20 in) long at the base. Each head has five to nine ray...

upper half. Each of these are topped by one or few flower heads, with an involucre of bracts surrounding a flat to slightly concave common base, with clear...

long. The heads are 10–20 mm (0.39–0.79 in) in diameter with a conical involucre 3–6 mm (0.12–0.24 in) long at the base. Each head has 2 to 13 pale blue...

of about 15 cm (rarely to 20 cm) long, dense velvety hairy stalks. The involucre is almost 2 cm (4⁄5 in) in diameter, and consist of two strict rows of...

bracts, bristles and glandular hairs. The florets are protected by an involucre of 3–4 mm (0.12–0.16 in) in diameter that consists of three or four whorls...

axils and are sessile or on a short peduncle with an oval to top-shaped involucre at the base. Each head has 4 to 8 white ray florets surrounding 6 to 10...

diameter. Each head has three to four rows of bracts forming a hemispherical involucre 3.5–4.5 mm (0.14–0.18 in) long and ten to sixteen white ray florets, the...

around a centimeter long, and at the center many yellow disc florets. The involucre (flower bract) is 5 to 9 mm long and consists of many lanceolate lobes...

up to 35 mm (1.4 in) long, the leaves grading to the narrowly conical involucre at the base. Each head is 9.5–13.5 mm (0.37–0.53 in) in diameter with...

head sessile and 10–16 mm (0.39–0.63 in) in diameter with an urn-shaped involucre 3–4 mm (0.12–0.16 in) long at the base. Each head has 4 to 10 white ray...

diameter, partly enclosed in a 1.5–2.5 cm (1⁄2–1 in) long, bract-like involucre (husk). It is very similar to the closely related common hazel (C. avellana)...

seven flowers per head, which is subtended by an involucre of three to four bracts or the involucre may be absent, but with four or five conspicuous bracteoles...

4-5 mm, reddish, with a 6-7 mm peduncle. The corolla is absent but the involucre has two bright red bracts, almost round to ovate, 3-7 mm long. It is native...

lower leaves are opposite and the higher leaves alternate. The bloated involucre consists of very broad, hairless bracts. These protect up to ten, short...

about 2 cm (0.8 in) high and 1½ cm (0.6 in) wide. It is subtended by an involucre consisting of oval bracts with a pointy tip of about 0.8 cm (0.32 in)...

inflorescence contains numerous yellow flower heads in flat-topped clusters. The involucre structure is obconic to hemispheric. Phyllaries are either free or more...

patches at the petal bases. They are born on long, setose scapes. The involucre is usually hairy (setose), obtusely bell-shaped (campanulate) and 8-10mm...

Distinguishing characteristics of this species are the glabrous (smooth) involucres, which are slender in shape with a truncate base that often appears to...

flower stalks are broad and hairy, ranging from lance-shaped to ovate. The involucre is 5–8 mm long, with phyllaries in 4–5 overlapping rows, increasing in...

787 in) long and are 5–8 mm (0.20–0.31 in) in diameter with a cup-shaped involucre at the base. Each head has 76 to 85 dull purple ray florets, the ligule...

2–11 mm (0.047–0.433 in) long and 0.4–0.9 mm (0.016–0.035 in) wide. The involucre at the base of the flower is about 4–10 mm (0.16–0.39 in) in diameter...

leaf bases are cuneate. There are 1 to 3 flower heads per plant. the involucres are hemispherical to turbinate, and are 8 to 16 mm (0.80 to 1.60 cm) in...

found in typical daisies. They have tiny tubular florets surrounded by an involucre of 8-10 small green phyllaries (3–5 millimetres (15⁄128–25⁄128 in) long)...

devolvement, evolute, evolution, evolutionary, evolve, evolvent, involucrate, involucre, involucrum, involute, involution, involve, involvement, multivolume,...

(about 1⁄3 in) wide on stalks of up to 5 cm (2.0 in) long, topped with an involucre of about 5 mm (0.20 in) high and 4 mm (0.16 in) wide, consisting of eleven...

stiffly hairy, and are topped by 12–14 mm long pappus scales. The hairless involucre consists of hairless, cartilaginous bracts (or phyllaries) with papery...

large compound corymbose inflorescence that can be up to 20 cm wide. The involucre are campanulate shaped and 5–6 mm wide, composed of five flowers. The...

florets. The flowering head's florets are held within a goblet-shaped involucre composed of 12-20 scale-like bracts overlapping in 4 or 5 series. Within...

mostly arranged singly on the end of a long peduncle and have a top-shaped involucre. Each "flower" has 8 to 10 white ray florets surrounding a larger number...

11–23 mm (0.43–0.91 in) wide on a peduncle up to 10 mm (0.39 in) long, the involucre bell-shaped and 5–6 mm (0.20–0.24 in) long. Each flower has six to fifteen...

with three principal veins. The flower heads are in a leafy panicle. The involucres are hemispheric to bell shaped. This species is dioecious (pistillate...

two to three small bracts, covered in perpendicular bristly hairs. The involucre is about 1½ cm (0.6 in) in diameter and consists of bracts arranged in...

the ends of branches and are sessile with a narrowly conical or oval involucre at the base. Each head has 2 to 4 white ray florets, the ligule 4.8–5...

growing in serpentine soils in southwest Oregon. As the fruit matures, the involucre hardens and becomes a shallow receptacle that contains an acorn. Oregon...

silvery woolly hairs in the axils and glandular hairy elsewhere. The involucre is broadly bell-shaped or more like a spinning top, 11–16 mm (0.43–0.63 in)...

produces numerous flower heads in open, branching arrays. The flower bract (involucre) is moderately to strongly resinous and consists of multiple overlapping...

branches on a peduncle up to 23 mm (0.91 in) long with a bell-shaped involucre at the base. Each head has nine to twelve white ray florets, the ligule...

appearance of the involucre. Schizolaena hystrix grows as a large tree up to 35 metres (110 ft) tall. Its leaves are coriaceous. The spiny involucre is fleshy...

linear and flexible while those of D. anomola may be curved or linear. The involucre bracts of D. swazilandica form an inverted cone while those of D. anomola...

of conspicuously different lengths form a cylindrical structure, the involucre, from which the florets arise in two series. Atop the one-seeded, cypsela-type...

Symphyogyna species, but the latter's scale-shaped, rather than cup-shaped involucres have been useful in distinguishing the two genera. "Jensenia spinosa (Lindenb...

hairy stalk, near to the head also with scattered glandular hairs. The involucre is about 1 cm (2⁄5 in) across, and consists of three rows of about equally...

a short, straight awn. The involucres are shaped campanulate, 3-angled and 3-ribbed and colored greenish. The involucres are faintly transversely ridged...

beneath the base of) the head and generally overlap none or half of the involucre; the phyllaries lining the heads are evenly stipitate-glandular, often...

filamentous fascicled stipules. Some species have sessile flowers, often in an involucre. Other species bear their flowers on racemose peduncles. In contrast to...

two rows of brown, thick-walled cells, the absence of lamellae in the involucre, the epidermal cells of the capsule having a moderately thick wall, the...

11 June 2020 (2020-06-11) 12.3 41 41 "Rosario le pide a Analía que no involucre más a Juan Mario" 12 June 2020 (2020-06-12) 12.0 42 42 "Mejía cita a una...

1–7.5 in) long, hardly about 1+1⁄4 cm (0.49 in) across, subtended by an involucre of several leaves of about 1.9 cm (0.75 in) long that are often covered...

genera by the achenes, which are glabrous and lack a pappus, and by the involucre, which consists of only 2 series of bracts. Botanists Schilling & Panero...

three or four rows of bracts at the base of each head, forming a conical involucre 4.5–6 mm (0.18–0.24 in) long. Each head has seven to fifteen white or...

in shape, and are 56–108 micrometers (μm) long by 30–50 μm wide. The involucre which protects the plant's inflorescence is aggregate and oval- or cylindrical-shaped...

broadly obovate fringed lobes. The ovary is sessile and included in the involucre. Styles are shortly united at the base, and minutely bifid at the apex...

purple disk florets. Stem, leaves, flower head Stem and leaves Bracts, involucre, and phyllaries Flower head top view Flower head side view with rays pulled...

3 cm (1.2 in) long. The involucres are shaped like a broad, inverted cone or bell, and are shorter than the disk. The involucres measure 1–2 cm (0.39–0...

(0.79–1.18 in) in diameter with a broadly top-shaped to hemispherical involucre at the base. Each head has 20 to 50 violet, blue or mauve ray florets...

thicker thallus (8–13 cells thick in the middle versus 6–9 cells), taller involucres (2–4 mm versus 1–2 mm), and significantly longer capsules (2–4 cm versus...

five stamens and five tepals, and are clustered in dense balls with an involucre of 7–8 bracts. Female inflorescences are reduced to one flower with a...

10–25 mm (0.39–0.98 in) in diameter with a conical, top-shaped or cup-shaped involucre at the base. Each head has twelve to sixteen white, mauve or blue ray...

sessile or on a peduncle up to 10 mm (0.39 in) long. There is a bell-shaped involucre at the base with four to eight rows of sticky bracts. Each head has seven...

back leaves that appear nearly cylindrical and with a tightly clasping involucre. Eriogonum douglasii is native to Washington, Oregon, Idaho, and northern...

is broadly/obtusely connate. Along the length of the involucre are a number of parietal involucre scales/bracts, which are oblong in shape and arranged...

denser patches. Symphyotrichum puniceum on left and S. firmum on right Involucre showing phyllaries and bracts Symphyotrichum firmum is closely related...

branchlets and are 15–35 mm (0.59–1.38 in) in diameter and sessile, with an involucre 5.5–7.5 mm (0.22–0.30 in) in diameter at the base. Each head or daisy-like...

many yellow disc florets surrounded by up to 12 yellow ray florets. The involucre consists of canescent, obtuse phyllaries. It blooms in spring. The fruit...

or slightly softly hairy. The male flower heads are surrounded by an involucre of few yellow leaves that gradually become shorter and broadened at the...

grouped in radiate, flat-topped heads, with an hemispheric to nearly conic involucre. Phyllaries are either free, or more or less fused, their receptacle flat...

collected together into a branched, flat-topped, inflorescence. The flower involucre typically has five phyllaries arranged in a single row. The ripe seeds...

Metallica – Harvester Of Sorrow (2001) Cruciform Injection – Lacrimal Involucre (Funker Vogt Remix) (2002) Beborn Beton – Dr. Channard (Funker Vogt Remix)...

arrays of 10-20, each containing 9-20 white florets 7-13 mm long. The involucre subtending the inflorescence is cylindrical to bell-shaped, 10-11 mm long...

lilac ray florets and yellow disk florets. Full plant Leaves Bracts, involucres, and phyllaries POWO 2019. Sancho & Ariza Espinar 2003, p. 10. SIB n.d...

with numerous small bracts, and softly hairy toward the upper end. The involucre is about 6 mm in diameter and consists of three to four rows of straw...

lined with about eight phyllaries which are fused at the base, making the involucre a rounded cup with pointed lobes. There are about 8 golden ray florets...

solitary flower head with a small, hard, cuplike involucre of about 8 fused phyllaries. From the involucre bloom about 8 golden ray florets around a center...

sharp-tipped bracts in shades of red to purple or green. Within this involucre is the pink to red flower which is a few millimeters wide and contains...

2013[update], only 146 populations were estimated to remain. Leaf and stem node Involucre showing phyllaries and stipitate glands Before pollination After pollination...

together, about 13-flowered. Peduncle is 15 mm (0.59 in) long, glabrous. Involucre 8–9 mm (0.31–0.35 in) long, glabrous, dark green. Corolla is 9–10 mm (0...

mostly covered in protruding bristly hairs and glands. The greenish involucre that envelops the florets is up to 5 mm (0.20 in) in diameter, and consists...

similar in appearance; all four species having a tendency for cylindric involucres and have corolla lobes with dense hirsute hairs. Where these species inhabit...

confused as one without careful examination. The sori are located in involucres at the tips of the lobes of the leaves and are somewhat cup-shaped. It...

flowers. These redden with age and hang backwards over the edge of the involucre. The species is dioecious. Some of the flowers are bisexual and up to...

subtended by none or up to three leaflet-like bracts that may form a kind of involucre. The mostly two to five (occasionally as little as one or as much as eight)...

15 centimetres (6 in) in length. The outer (leaf-like) bracts of the involucre are about .3–.6 metres (1–2 ft) long, and are rough and finely needled...

4–40 cm. long, or in short raceme-like panicles in axils of old leaves. Involucres cyathiform to obconic. Phyllaries minutely glandular outside, subobtuse...

florets are inplanted, while scales and hairs are absent. The bell-shaped involucre consists of four to five rows of green bracts, sometimes tinged purple...

to 20 metres (70 ft) tall. Its inflorescences are small and dense. The involucre is glabrous. It is thought to attract lemurs, bats and birds who in turn...

Large inflorescence showing many involucres...

September and December. They are yellow and grow in branched corymbs. The involucre is calyx-like. The bracts are thickened below. This species is endemic...

individually on up to 8 cm (3+1⁄5 in) long stalks, that consist of an involucre of about 1⁄2 cm (1⁄5 in) diameter with two whorls of bracts, about twelve...

two flowers each with three sepals and five white petals. A light green involucre hides the young fruit. Specimen notes found "young growth or coppicing...

head of flowers up to 2.5 cm wide. The flowers are held in a bowl-shaped involucre of bracts with toothed edges. Each flower has a calyx of sepals narrowing...

composed of many small white flowers with dark anthers. The primary umbel (involucre) has no bracts and the secondary umbel (involucel) has narrow bractlets...

flower heads are seated at the end of the stem. Each is subtended by an involucre, consisting of more than five spine-tipped bracts between 11 and 18 millimetres...

Coast, Transverse and Peninsular Ranges and the western Mojave Desert. Involucres (8–)10–15 × 5–6 mm. Phyllaries usually 20–26+ in 2-3+ series, (midstripes...

single cyathia at a branch tip or sometimes in the distal axils. The involucre is 2–3 millimetres (0.079–0.118 in) long and bell shaped. There are 5...

or longer stalk. The whorl of bracts at the base of the flower head (involucre) is 2 to 3 mm (1⁄16 to 1⁄8 in) long. The disk is composed of 8 to 20,...

dense, short, velvety pubescence and altogether devoid of white wool. The involucres are few, many-flowered, and corymbose on top of stout, naked peduncles...

157 in) in length, 1 mm (0.039 in) in width, sparsely pubescent, having involucre, with 25+ flowers per peduncle; Flowers - 2 mm (0.079 in) in diameter...

heads set individually on top of long stalks. The flower head has an involucre of just one whorl of bracts, few elliptic, white or cream ray florets...

head (capitulum) measures 2–3 cm in diameter and is surrounded by an involucre 5–8 mm wide. It bears 9–14 outer phyllaries, often tinged with purple...

unruly arranged bracts (or phyllaries) that together form the so-called involucre, which is up to 15 mm (0.59 in) in diameter. These bracts are lance-shaped...

stalks that are 3–10 cm (1.2–3.9 in) long with 1-3 bract-like leaves. The involucre has a diameter of 10–15 mm (0.39–0.59 in) and is made of 8-13 narrow bracts...

with only the lowest pair set oppositely. It has flower heads with an involucre of about 8 mm (1⁄3 in) in diameter with bracts that each contain three...

of conspicuously different lengths form a cylindrical structure, the involucre, from which the florets arise in two series. Atop the one-seeded, cypsela-type...

shares similarities with Anaxeton lundgrenii but differs in the number of involucre bracts (15-22 in A. arborescens compared to about 10 and no more than...

Involucre and phyllaries...

all nodding, roundish, on average 8''' in diameter. The scales of the involucre are brownish red, compressed, defenseless, not ciliated on the edge; the...

with 5 golden yellow petals (rarely pale yellow), rounded sepals, with involucre-like bracts. The petals are oblong with rounded tips, 10–20 mm (0.39–0...

El Nuevo Herald, mayo 14 de 2006. Pag.25A “Detalles del testimonio que involucre a Uribe con la massacre de El Aro", Gonzalo Guillén y Gerardo Reyes, El...

tooth in the middle and two smaller teeth, and the rounded bracts of the involucre. As far as known, the mace pagoda was first collected by Thomas Pearson...

"Diputada Yovana Ahumada por caso Convenios: Lo peor es que el presidente se involucre en cualquier dicho sobre Democracia Viva". Ex-Ante. 29 September 2023...

0–5.9 in), each with an inflorescence made up of many tiny florets; the involucre has cobwebby white hairs, and it is often slightly sticky. The purple...

of numerous flower heads. The flower heads have purplish bell-shaped involucres containing 7–13(–17 lighter purple disc flowers but no ray flowers.[citation...

each with three sepals and five petals. The fruits, featuring a fleshy involucre, lend themselves to seed dispersal by a number of lemur and bat species...

large and woody, measuring up to 1.7 cm (1 in) in diameter, with a fleshy involucre. The fruit is the largest of the genus. Rhodolaena macrocarpa is known...

A few shorter ray florets sometimes occur where the heads touch. The involucre that surrounds the cropped heads consist of several whorls of green, leaf-like...

long and are 14–20 mm (0.55–0.79 in) in diameter with a narrowly conical involucre at the base. Each head has up to 7, (usually 2 to 4) ray florets, the...

the curled edges may make them appear to be. Close-up of the flowers Involucres and phyllaries Bracts Leaves, stem, stem node, branch Just beginning to...

are arranged singly on the ends of branchlets and are sessile with an involucre 14–16 mm (0.55–0.63 in) long and 7–9 mm (0.28–0.35 in) wide at the base...

centimeters long. The inflorescence is a flower head with a bell-shaped involucre of woolly-haired phyllaries. There are 12 or 13 yellow ray florets and...

top of an almost leafless, hairy stalk of up to 10 cm (4 in) long. The involucre is about 1 cm (2⁄5 in) across, and consisting of two strict rows of equally...

is pear shaped and enclosed in a thin husk developed from the floral involucre. The fruit ripens in September and October, and seeds are dispersed from...

become longer inward. The involucres of C. hypoleucum differ markedly in colour from those of C. waldsteinii, and the involucres themselves are narrower...

flowers and one carpellate ("female") flower are grouped in each bract (involucre), which are then clustered into a panicle. The male flowers have a calyx...

or longer than the rays of the umbel, and subtended at the base by an involucre of 1 to 3 bracts. Ripe fruits broader than long. "Helosciadium × longipedunculatum...

12–25 yellow disk florets. Basal leaves Cauline leaves Inflorescence Involucre and phyllaries Close-up of ray and disk florets Flower heads after seeding...

corymbs or panicles, the pedicels are villous. Uniseriate bell-shaped involucre; the involucral bracts are linear-oblong, widened at the base and acute...

more flower heads at the top of the stem. Each head has a bell-shaped involucre of bristly, glandular phyllaries at the base, a center of black-tipped...

sepal-like bracts or scales (or phyllaries) that together make up the involucre, which is narrowly egg-shaped, about 7 mm (0.28 in) wide. The phyllaries...

with an "eye" of up to 30 disk florets with cylindrical corollas. The involucre from which the florets emerge consists of two dissimilar series of bracts;...

Symphyotrichum chilense, which has smaller flower heads. Stems Leaves Involucre and phyllaries Ray and disk florets Symphyotrichum ascendens has a chromosome...

anthers yellow. Pistillate flowers borne on slender tomentose peduncles. Involucres scales are downy, about as long as the calyx lobes; stigmas short, reflexed...

callous-thickened, petiolate to sessile leaves. Pluchea have corymbrose, involucres hemispheric to campanulate, many-flowered, bracts imbricate heads. Pluchea...

basal stems, but are most often apparent from the spiny red and green involucre (floral bract) and fruiting structure that persists after the white petals...

of 1–2½ cm long, the papery involucral bracts that form a conspicuous involucre and the cone- to egg-shaped pollen presenter. The oval-leaf pincushion...

millimetres (0.059 to 0.098 in) which make a cup shape around the base of the involucre. Individual flower-heads are radiate and urn-shaped. The corolla has a...

covered in awns, which are 1 to 2.5 mm (0.039 to 0.098 in) long. The involucres are 3-angled and obscurely ribbed, with 3 teeth. Their surface is glandular...

the single flower head. Each flowerhead is 1.5–5 cm in diameter. The involucre consists of two or three, sometimes four whorls of linear to narrowly...

inflorescence is a head of flowers no more than 1 cm wide. At its base is a fused involucre of bracts. Each flower has a calyx of sepals which may have a forked tip...

are pedunculate (have flower stalks) and compound heads. The secondard involucre (bract around the flower) is made of about 5 subequal bracts. The individual...

on a peduncle up to 50 mm (2.0 in) long, each head with a bell-shaped involucre at the base. Each head has 12 to 20 white to pink ray florets, the ligule...

bases fused for at least two-thirds of their length, forming a sort of involucre, and by its relatively large sepals with mucro (pointed tip) measuring...

sepal-like bracts or scales (or phyllaries) that together make up the involucre of about 8 mm (0.32 in) in diameter. The phyllaries are about 7 mm (0...

inflorescence head which diameter is about 4~5 cm (Only one flower per stem). The involucre is 13 mm length, and 8 mm diameter and has four lines of involucral scale...

held singly on peduncles up to 15 cm long. Each flower head contains involucres that are up to 8 mm long, which lengthen up to 13 mm when the head is...

flowers) are approximately 3 mm × 6 mm (0.12 in × 0.24 in) with cup‑shaped involucres. The glands are transversely oblong, about 1.4 mm × 3 mm (0.055 in × 0...

long, and are 20–25 mm (0.79–0.98 in) in diameter on a hemispherical involucre at the base. Each head has 20 to 30 white, blue, mauve or white ray florets...

produce seeds asexually that are genetically identical to the parent. The involucre, the base under a flowering head, is 5–6.5 mm and 4–10 mm for a seed producing...

Taraxacum spectabile and T. nordstedtii, particularly in the structure of the involucre and the form of the achenes. Taraxacum polium is a species of flowering...

measure up to 1 cm (0.4 in) in diameter and are partially hidden by the involucre. The wood is locally used in construction. Schizolaena manomboensis is...

major by its smaller size and its more open and weakly developed pseudo-involucre. Celmisia major var. brevis is also range restricted on Mount Taranaki...

small and clustered in typical heads, and which are surrounded by an involucre of in this case three whorls of bracts. In Polyarrhena, the centre of...

to thirty) involucral bracts in three or four overlapping whorls. The involucre is broadly bell-shaped, 12–15 mm (0.47–0.59 in) long and usually 17–22 mm...

are usually densely pubescent. The involucres are lacking in male plants, and in perfect or female plants the involucre is reduced to a highly modified bract...

flowers between August and October. Leaf front Leaf back Inflorescence Involucre Flower heads The title of a review of the Symphyotrichum patens complex...

branches E. leaf blades F. petioles and glands G. internal bud scales H. involucres and bracts I. inflorescence J. pedicels and hypanthia K. calyces L. corolla...

stronger plants may have more. Its flowers are described as emerging from an involucre or protective cup found on each branch of its terminal corymb. Flowers...

of 5 to 10 capitules clustered towards apices of branches; peduncles, involucre, calyx and the subfusiform receptacle pubescent. Calyx deeply 5-partite...

(2 in) long. The fruits are medium-sized and woody, with a fleshy involucre. The involucre is reportedly eaten by lemurs, facilitating seed dispersal. Rhodolaena...

are 13 to 20 flowers per head, with yellowish corollas, 12 mm long. The involucre is shaped cylindrical to narrowly obconic depending on age, and is 10...

Its flower heads are found in long and somewhat racemiform arrays. The involucre of each flower head is bell-shaped and 6–10 millimeters (0.24–0.39 inches)...

measure up to 7.5 cm (3 in) long. The small flowers are white or pink. The involucre of the flowers is fleshy and laciniate. It is thought to attract lemurs...

two to more than five leaflike bracts. Each flowerhead is circled by an involucre that consists of many spine-tipped bracts in several rows, the outer papery...

with wooly (tomentose) flower stalks (peduncles) and floral bracts (involucre). Leaves are sparsely woolly and singly pinnate with 2-5 pairs of generally...

arranged in dense corymbs and are about 8 mm (0.31 in) in diameter, the involucre about 3 mm (0.12 in) long and softly-hairy. Each head has about twelve...

powdery hairy but felty near the base, and together form a two-lipped involucre. The two or three bracts below the attachment of the flowers are broadly...

phyllaries, which together form the involucre that protects the individual flowers in the head before they open. The involucres of Symphyotrichum racemosum are...

inflorescence is up to 20 cm (7.9 in) tall by 15 cm (5.9 in) wide, with 3 to 8 involucres that are up to 4 mm (0.16 in) tall and 3 mm (0.12 in) wide. The flowers...

being smaller in size. The structure supporting the flower head (the involucre) ranges in shape from half a sphere to being more of a beetroot shape...

The peduncle and sepals are glabrous. It has a fleshy, glabrous involucre. The involucre is thought to attract lemurs, bats and birds who in turn disperse...

recognized: (1) Hymenophyllum with bivalved involucres, and (2) Trichomanes s.l. with tubular involucres. Subsequent proposals have created 34 genera...

subtended by two or three leaflike bracts. Each flowerhead is circled by an involucre that consists of many spine-tipped bracts of usually between 9 and 15 mm...

involucral bracts are biseriate, 1⁄4 the size of the outer involucres. The outer involucres resemble the foliage and are laxly spreading, shaped oval,...

supporting base of the flowers packed together into the flowering head (the involucre) is a half sphere in shape and usually 10–14 millimeters in diameter,...

centimeters long by 6 wide. The branching inflorescence has bell-shaped involucres each containing three purple-pink flowers about a centimeter wide. The...

tissue and are elliptical and tipped. These bracts have hemispherical involucre or coverings. In addition, the yellow corollas of the flower are about...

and umbelliform, forming helical cymes, usually surrounded by a bract involucre, rarely reduced to a single flower. The flowers are very bright, relatively...

39 in) long and 5–7 mm (0.20–0.28 in) wide. There are bracts forming an involucre about one-third the length of the head. Angianthus uniflorus was first...

are 11–20 mm (0.43–0.79 in) in diameter with a conical or hemispherical involucre at the base. Each head has 7 to 11 blue or purple ray florets, the ligule...

than one flowering head. Green, scale-like bracts forming a bowl-like involucre below the flowering heads are arranged in a single series beside one another...

flowerheads sit individually on top of a long peduncle and consist of an involucre with only two whorls of bracts, about twenty purplish blue ray florets...

wind-dispersal Pappus-tufted fruits starting to be dispersed by the wind Empty involucre of hairy, brown bracts after wind dispersal of all pappus-tufted fruits...

The peduncle is covered with short fine hairs (canescent); the involucre is 8–14 millimetres (0.31–0.55 in)....

shoots, medium-sized, seated or on up to 10 cm (3.9 in) long stalks. The involucre is 6–8 mm (0.24–0.31 in) in diameter, and consists of three to four whorls...

inflorescence stalks on top of which are individual flower heads with an involucre of three whorls of bracts, about sixteen ray florets with about 1 cm (1⁄2 in)...

quickly. The inflorescence is an open array of flowers, each blooming in an involucre of spiny bracts lined with awn-tipped teeth. The six-lobed flowers are...

of flower heads about 3–5 cm (1+1⁄4–2 in) wide, with nearly spherical involucres of scale-like phyllaries 1–2 cm (1⁄2–3⁄4 in) wide. The bracts are green...

long or occasionally short branches near the top of the plant and the involucre 1–1.5 cm (0.39–0.59 in) long. The corolla has 5 lobes, 5–7 mm (0.20–0...

appear singly or in open arrays. Each head has a bell- to bullet-shaped involucre lined with hairy to woolly phyllaries. The head is discoid, containing...

59–0.79 in) in diameter and sessile, with softly-hairy bracts forming an involucre at the base. Each head has twenty to thirty ray florets, the white petal-like...

a staminate capitula. The bracts beneath the pistillate capitula, the involucre, are hemispherical, while the capitula itself is flat or convex. The flowers...

small panicles. The pedicels are covered with many tiny hairs and the involucre are 5 mm long. Achenes are 1–5 mm long hispidulous (minutely hispid, meaning...

View of involucres and phyllaries...

(2.0 in) long stalks with some small leaves along their lengths. The involucre is about 11⁄2 cm in diameter and consists of about four rows of lance-shaped...

jointly surround the florets in the same head form a broadly bell-shaped involucre of about 31⁄2 cm (1.4 in) in diameter. The line-shaped bracts have the...

up of a cluster of flowers, each opening from a cylindrical, tubular involucre in shades of green or tan. The plant can be identified by the transversely...

80 to 100 individual densely packed together and surrounded by a short involucre of narrow, tapering bracts. The hairless tips of these bracts are quite...

short branches consisting of 35-80 pink, lilac or blue-purple florets, involucre 15–23 mm (0.59–0.91 in) long and the bracts purplish or green. Flowering...

flowers in a cluster over 2 centimeters wide. At its base is a fused involucre of bracts. Each flower has a calyx of sepals narrowing to bristle-like...

tidily, fringed by a rim of silky hairs, and together form a two-lipped involucre. The bracts below the attachment of the flowers are ellipse-shaped with...

of clustered flower heads on thin, stiff peduncles. Each head has an involucre of phyllaries shaped like a top. The phyllaries are coated in knobby yellow...

fall off. On living plants the bracts remain hugging the heads' columnar involucre, rather than spreading at maturity, as with members of most other subtribes...

stipules absent. Flowers monoecious, 1 female and 2 male in each involucre. Involucres clustered into a dense panicle. Male flowers with 4-partite calyx...

unseen Silene invisa D involucratus L enveloped, from involucrum, wrapper; involucred Davidia involucrata H DS C involutus L rolled up, from involvo; involute...

75–4.5 cm (0.30–1.77 in) long, with few hairs or densely woolly. The involucres are woolly at their base, and consist of thirteen to sixteen ovate or...

"container". This alludes to the quadrangular structure formed by the involucre's lower four bracts. The species name texana clearly refers to the US state...

the end of the branches, bowl-shaped and mostly 3–3+1⁄2 cm across. The involucre is 1+1⁄2–2 cm high, nearly reaching the mouth of the florets, with four...

the summer. Each head is 3 to 5 centimeters wide and long and has an involucre of phyllaries which are purple, curve outward, and taper into hard, toothed...

calyptrae, sheathing post-fertilization perichaetial leaves (the leafy involucre surrounding the fruit stalk), central strands lacking in shoots, shortened...

The yellow flowers turn purple-red at the base and are larger than the involucre. It blooms in June and July. The fruit is a white, thick, long and deeply...

margins, set in about three overlapping whorls creating a cup-shaped involucre. The bracts subtending the individual flowers are lance-shaped with a...

florets, but they are so short they may be nearly invisible inside the involucre of phyllaries. The fruit is a hairy achene a few millimeters long which...

The inflorescence consists of a single flower head with a bell-shaped involucre of triangular phyllaries. The head has a center of up to 50 tiny yellow...

corymbiform cymes; stalks of individual capitula shortly white-hairy, involucre obconic-turbinate to campanulate- hemispherical 2–6 mm in diameter at...

four whorls of bracts (or phyllaries) that together form the so-called involucre, which is up to 13 mm (0.51 in) in diameter. These bracts are of different...

characterized by the relatively slender habit of the plants, 1–2 seriate involucres, and relatively small heads of flowers. There is variation in the pappus...

and narrow. Each stem carries between one and three flowerheads. The involucre is 1½-2½ cm high and 1½-2¼ cm wide, with the individual bracts without...

small, and clustered in typical "composite" heads, surrounded by an involucre of three or four whorls of lanceolate bracts, the outer 4 mm (0.16 in)...

.." Each flowering head is by itself at the end of a leafy stem. The involucre, the underside of the flowering head supporting the ray and disk flowers...

flower heads about 10–20 mm (0.39–0.79 in) in diameter, hemispherical, involucres bracts about 10 mm (0.39 in) long, dry and pale yellow. Flowering occurs...

fertilization, the sporophyte is enveloped by three structures: the cup-shaped involucre, cylindrical pseudoperianth and the calyptra. The spore surfaces are irregularly...

transparent margins, that are merged at their base and form a bell-shaped involucre. In some species consist solely of disc florets, while in others central...

centimetres (2 in) long. The fruits are large and woody, with a fleshy involucre. Rhodolaena leroyana is known only from the region of Atsinanana where...

magnification to see), the carpopodia symmetrical and stopper-shaped, and the involucres small and with 3 series of subimbricate bracts. The number of flowers...

long, each head 25–59 mm (0.98–2.32 in) in diameter with a bell-shaped involucre 7–10 mm (0.28–0.39 in) long at the base. Each head has 12 to 33 white...

of flowers roughly a centimeter wide, the flowers held in a bowl-like involucre of wide, jagged-toothed bracts. Each flower has a calyx of sepals that...

specimens are twelve infructescences with attached involucres containing nuts or nut casts, fourteen involucres, and eight isolated paired or single nuts. The...

often sessile. The whorl of bracts beneath the inflorescences is called involucre. It consists of phyllaries, modified bracts, which are linear-lanceolate...

flattened egg- to globe-shaped, about 6–8 mm (0.24–0.32 in) across. The involucre consists of two to three lose whorls of pointy, lance-shaped bracts of...

35–75 mm (1.4–3.0 in) wide on a peduncle 5–25 mm (0.20–0.98 in) long, the involucre hemispherical and woolly-hairy. Each flower has 8 to 24 white ray florets...

with few bracts, especially at the top mostly with glandular hairs. The involucre is up to 13⁄4 cm (0.7 in) in diameter and consists of three to four rows...

rosette of bracts (small leaf like structures) surrounding the flower (involucre) which are close to hemispheric (i.e. half of a sphere). The bracts of...

5–3 mm long. The bracteoles are very small and linear in shape. The flower involucres are narrowly campanulate in shape and 4–5 mm long. Phyllaries are unequal...

2–6 mm (0.079–0.236 in) wide. There are about 5 to 10 bracts forming an involucre at the base of the heads, the outer ones leaf-like, two concave bracts...

inflorescence is a cluster of flower heads. Each head is a spherical involucre of hairy phyllaries covered in knobby resin glands. It spreads at the...

each flower has a bract (modified leaf), those of each triad forming an involucre (flower and leaf structure). It has 6 or more petals, which are more or...

or supporting, usually a head of flowers) is rigid and persistent. The involucre is four-leaved, It has a spherical head of flowers. It has a cylindric...

are 2–30 mm long. The flower heads are campanulate (bell-like) with the involucre much shorter than florets at maturity. The involucral bracts are in 2–3...

are slender, 1 to 3 cm long, and are erect to ascending in habit. The involucres are 2 to 3.5 mm long, 4 to 6 mm wide, hairy on the outer margin. Flowers...

papyrus plant with a two-sided Hathor head interposed between its culm and involucre. The base is inlaid with carnelian, gold, and lapis lazuli in the form...

is egg- to globe-shaped, about ½ cm (0.2 in) across. The conspicuous involucre consists of three or four whorls of lance-shaped bracts of about 6 mm...

heads appear singly or in crowded clusters. Each head has a bullet-shaped involucre lined with woolly, purple-tipped phyllaries. The head is discoid, containing...

long. Just beneath the flower heads the indumentum is less dense. The involucre that envelops the florets is up to 4 mm (0.16 in) in diameter, and consists...

arise from inside a cylindrical, greenish to straw-colored structure, an involucre, composed of 5-6 series of overlapping bracts of unequal size. The back...

cm (0.8–1.4 in) in diameter, is subtended by an initially cup-shaped involucre of narrow, strongly overlapping, woolly, rubbery (or cartilaginous) bracts...

radiate, disciform or discoid; peduncles manifest as wispy with bell-shaped involucres measuring three to seven millimeters. This genus has green phyllaries...

while the male flowers are found in 4 clusters of 3–16 flowers within the involucre opposite the lobes. Each cluster is surrounded by bracts, with the outer...

in its genus by certain features around the base of the flowers. The involucres, or leaf-like structures that surround the base of the flower, are larger...

0–3 bracts which are either lanceolate to narrowly ovate in shape. The involucres are bell-shaped and 7–9 millimeters in length with oblong to oblanceolate...

and emerge mostly with three together at the top of the branches. The involucre is up to 7 mm (0.28 in) in diameter and consists of a double row of bracts...

from within a green, pear-shaped to cylindrical structure known as an involucre, which consists of overlapping bracts, the inner ones 2-3 times longer...

unenlarged style bases, relatively few (3-5) flowers per head, and imbricate involucres. Species The genus is native to Mexico, Central America, South America...

four rows of bracts at the base of each head, forming a hemispherical involucre. Each head has 17 to 28 mauve ray florets, the ligules narrowly elliptic...

each other." He also noted that the members of this section have large involucres with many broad bracts, giving them "a different aspect from all others...

is low egg-shaped, 2–3 mm (0.079–0.118 in) across, and subtended by an involucre consisting of overlapping cartilaginous, softly hairy oval bracts of 3–4 mm...

four on the ends of branches and are pedunculate with a hemispherical involucre 5–6 mm (0.20–0.24 in) long at the base. Each head has 20 to 50 blue to...

these cluster jointly form a aggregated panicle-like inflorescences. The involucre of green bracts surrounding the yellow florets in each flowerhead is bell-...

jointly surround the florets in the same head, form a broadly bell-shaped involucre that is 1+1⁄4–1+3⁄4 cm (1⁄2–1⁄3 in) high and 2–3+1⁄2 cm (3⁄4–1+1⁄3 in)...

and are radiate; the domed receptacle is 1.6 to 2.4 mm in diameter. The involucres are hemispheric, the phyllaries are in 2 or 3 series; the short, triangular...

Meng, X.-N.; Han, Z.-C.; Dong, T.-Q.; Pan, J.; Quan, C. (2025). "Fossil involucres and a nutlet of Ostrya (Betulaceae) from the upper Eocene of Shaanxi and...

roughly circular heads per plant. Peduncles are wispy, with bell-shaped involucres measuring 3 to 7 millimeters, and they range from glabrous to short-haired...

linear lobes. The inflorescence bears a single flower head with a rounded involucre of lance-shaped, pointed phyllaries. The head has a center of many small...

branchlets and 15–20 mm (0.59–0.79 in) in diameter with a bell-shaped involucre 3–4 mm (0.12–0.16 in) long. There are three to six ray florets, the white...

to longer than the rays of the umbel, and subtended at the base by an involucre of (1)2-3 bracts. Sterile; ripe fruit absent. Desjardins, Stuart D.; Leslie...

flowers in the same head is flattened globe-shaped and 3–4 mm in diam. The involucre consists of a single whorl of cartilaginous, overlapping, pointed oval...

together near the end of the branches. Each flower head is subtended by an involucre consisting of ovate bracts with a pointy tip of .75–1 cm (0.30–0.39 in)...

grouped in a panicle-like cluster, closely subtended by the higher leaves. Involucres are either hemispheric or bell-shaped, with purple to green coloration...

grow in corymbiform to paniculiform arrays with little branching. The involucres are 5–10 millimeters (1⁄5–2⁄5 inch) and bell-shaped, and their phyllaries...

2010.31.7.691. S2CID 128610278. Kim, J.-H.; Nam, K.-S. (2017). "Fossil involucres of Carpinus and their significances from the Duho Formation of Yeonil...

become longer inward. The involucres of C. hypoleucum differ markedly in colour from those of C. greimleri, and the involucres themselves are narrower....

flower heads one at a time on peduncles 1–10 cm long in groups of 5–6. The involucres are cylindric. There are 5–6 lanceolate to lance-elliptic phyllaries....

dark blue-violet and the disc florets are yellow. Flower heads showing involucres and phyllaries Fruiting plant Symphyotrichum robynsianum was formerly...

long, have sparse bracts, and are covered in fine white woolly hair. The involucres are bell-shaped, 5-8 mm. The phyllaries are in series of 5-6, with tufts...

phyllaries, and together they form the involucre that protects the individual flowers in the head before they open. The involucre of each flower head of S. schaffneri...

florets. Leaves and stem Leaves and stem Inflorescence showing bracts, involucres, and phyllaries Larger inflorescence Ray and disk florets Growth habit...

1-3 lines long white-tomentose indentations with filioloque suffulta. Involucres brownish-purple scales appressed to a viscous carina, the margin a little...

about ½ cm (0.2 in) across. Uniquely, this species has an indistinctive involucre that consists of only a single whorl of lance-shaped bracts of about 6 mm...

head has a 1–4 cm (0.4–1.6 in) hairless peduncle with 1–4 bracts. The involucres are cylindric to hemispheric in shape and 5–7.3 mm in length. The phyllaries...

mostly terminal, enclosed in floral leaves longer than the flowers. Involucres broad. Perianths above 1 in. long. Stigmatic end of the style slender...

(about 2 mm long) persistent bracts. The flowers have an epicalyx (an involucre bract resembling an outer calyx or sepals) of 3 bracteoles (small bracts)...

stem. The inflorescence includes a solitary flower head with a rounded involucre of green to reddish, rough-textured phyllaries. The flower head has a...

Huang; Shitao Zhang; Yuqing Wang; Zhuo Zhou; Yongsheng Chen (2020). "Involucre fossils of Carpinus, a northern temperate element, from the Miocene of...