Acacia filicifolia

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Fern-leaved wattle
Acacia filicifolia.jpg
Acacia filicifolia growing in the Imbota Nature Reserve near Armidale
Scientific classification Red Pencil Icon.png
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Fabales
Family: Fabaceae
Clade: Mimosoideae
Genus: Acacia
Species:
A. filicifolia
Binomial name
Acacia filicifolia
Acacia filicifoliaDistMap356.png
Occurrence data from AVH
Synonyms [1]

Racosperma filicifolium Pedley

Acacia filicifolia, commonly known as fern-leaved wattle, is a plant in the legume family, Fabaceae and is native to eastern Australia. It is a shrub or tree with compound leaves resembling fern fronds, and spherical heads of yellow or bright yellow flowers from autumn to late spring. It is a common and widespread species, especially on the coast and tablelands of New South Wales.

Contents

Description

Acacia filicifolia is an erect shrub or tree which grows to a height of 3–14 m (10–50 ft) and has smooth grey or dark brown bark which develops fissures as it ages. The smaller branches are more or less cylindrical with fine, longitudinal ridges. The leaves are compound with a petiole 7–23 mm (0.3–0.9 in) long with between one and five prominent glands. The rachis of the leaf is usually 40–120 mm (2–5 in) long with irregularly scattered glands and usually five to fourteen pairs of pinnae which are 30–80 mm (1–3 in) long. Each pinna has 25 to 100 pairs of pinnules, the smallest division of the leaf blade, each of which is narrow oblong to linear in shape, 4–10 mm (0.2–0.4 in) long and about 0.5 mm (0.02 in) wide. [2]

The inflorescence is a branching panicle with the flowers in spherical heads on peduncles 2–4 mm (0.08–0.2 in) long. Each head of flowers is 3–6 mm (0.1–0.2 in) in diameter and consists of fifteen to thirty individual yellow to bright yellow flowers. Flowering occurs from July to October and the fruit which develop are legumes or "pods" 35–130 mm (1–5 in) long and 6–17 mm (0.2–0.7 in) wide. The pods are more or less flat and straight-sided. [2]

Acacia filicifolia habit Acacia filicifolia (habit).jpg
Acacia filicifolia habit

Taxonomy and naming

Acacia filicifolia was first formally described in 1932 by Edwin Cheel and Marcus Baldwin Welch but they did not nominate a type specimen. The description was published in the Journal and Proceedings of the Royal Society of New South Wales . [3] [4] The specific epithet (filicifolia) is derived from the Latin words filix meaning "fern" [5] :323 and folium meaning "a leaf" [5] :466 referring to the similarity of the leaves of this wattle to the fronds of some species of fern. [2]

Distribution and habitat

Fern-leaved wattle grows in forest in sandy soil, often in gullies and creeks from south-eastern Queensland to Batemans Bay in southern New South Wales. It is mostly found on the coast and nearby tablelands. [2]

Related Research Articles

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References

  1. 1 2 "Acacia filicifolia". Australian Plant Census. Retrieved 16 July 2019.
  2. 1 2 3 4 Kodela, Philip G. "Acacia filicifolia". Royal Botanic Garden Sydney; plantnet. Retrieved 3 August 2017.
  3. "Acacia filicifolia". APNI. Retrieved 3 August 2017.
  4. Cheel, Edwin; Welch, Marcus (1932). "An undescribed species of wattle Acacia filicifolia". Journal and Proceedings of the Royal Society of New South Wales. 65: 232–234. Retrieved 3 August 2017.
  5. 1 2 Brown, Roland Wilbur (1956). The Composition of Scientific Words. Washington, D.C.: Smithsonian Institution Press.