Asplenium flabellifolium

Introduction

Necklace fern
Necklace fern on Hawkesbury sandstone at Ferndale Park, Chatswood West, Australia
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Division: Polypodiophyta
Class: Polypodiopsida
Order: Polypodiales
Suborder: Aspleniineae
Family: Aspleniaceae
Genus: Asplenium
Species:
A. flabellifolium
Binomial name
Asplenium flabellifolium

Asplenium flabellifolium is commonly known as the necklace fern, butterfly fern and walking fern.[1][2][3] This small fern occurs in all states of Australia (excluding Northern Territory), as well as throughout the North and South Islands of New Zealand from sea level to 1100 m.[1][3][4] It was initially described by Spanish botanist Antonio José Cavanilles.[5]

Description

The fronds are 10 to 20 cm (3.9 to 7.9 in) long, with 5 to 20 pairs of pinnae (leaflets), often fan-shaped or sometimes lanceolate. The fronds are flaccid and tend to droop.[3][4] Spores are born in elongate sori on the underside of the fronds. It has short, erect rhizomes bearing small, dark-brown scales.[1]

Distribution and habitat

Its natural habitats are open forest or scrub, rainforest, and grasslands. Usually on the ground or rocks, but sometimes epiphytic. Often seen in rock crevices, caves, on fallen logs and tree trunks, beside streams, or near cliffs, or waterfalls.[3][4]

Etymology

The name walking fern refers to the plant's tendency for the fronds to re-root at their tips, producing new plants, giving the semblance of walking. Butterfly fern references the shape of the pinnules.[1]

References

  1. ^ a b c d "Flora of New Zealand – Ferns and Lycophytes. Fascicle 18. Aspleniaceae". www.wikidata.org. Retrieved 18 October 2024.
  2. ^ "Necklace Fern, Beadle, N.C.W., Evans, O.D. & Carolin, R.C. (1962), Handbook of the Vascular Plants of the Sydney District and Blue Mountains". Vascular Plants APC (Australian Plant Census).
  3. ^ a b c d "PlantNET - Flora Online". PlantNET. Retrieved 9 August 2009.
  4. ^ a b c "VicFlora: Asplenium flabellifolium". VicFlora: Flora of Victoria.
  5. ^ "Cavanilles, A.J. (1801), Descripcion de las Plantas 1". Vascular Plants APC (Australian Plant Census).


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