WATTLE

Acacias of Australia

Print Fact Sheet

Acacia ensifolia Pedley

Family

Fabaceae

Distribution

Occurs from Adavale S to near Thargomindah but mainly confined to the Grey Ra., Qld.

Description

Tree to 9 m high, often with several trunks; crown spreading. Branchlets often pruinose, glabrous. Phyllodes normally pendulous, linear to linear-elliptic, straight to slightly recurved, 15–27 (–33) cm long, commonly 3–8 mm wide, acuminate, coriaceous, not rigid, green to grey-green, glabrous; midrib and margins ±prominent; lateral nerves obscure; glands 2 or 3, with lowermost one basal. Inflorescences 10–15-headed racemes; raceme axes 5–10 cm long; peduncles 10–20 mm long, 2 or 3 together along raceme axes except lowermost peduncles commonly single, glabrous; heads globular, 7–8 mm diam., densely 50–60-flowered, bright yellow; bracteole and sepal apices densely golden-hairy. Flowers 5-merous; sepals c. 4/5‑united. Pods to 13 cm long, 10–20 mm wide, firmly chartaceous, pruinose, glabrous. Seeds transverse to oblique, circular to widely elliptic, 4.5–5 mm long, ±shiny, blackish; funicle flat, linear, exarillate.

Habitat

Grows in clay or loam, often with A. petraea, on low hills.

Specimens

Qld: between Nerrigundah and Boalli, S.L.Everist 7481 (PERTH); Adavale–Windorah road, 66 km W of Adavale, C.H.Gittins 1230 (BRI, NSW); 16 km S of Toompine, V.J.Neldner & M.B.Thomas 540A (BRI).

Notes

Closely allied to the more westerly distributed A. pruinocarpa which has subacute to obtuse phyllodes; also appears to have some affinity with A. beckleri.

FOA Reference

Data derived from Flora of Australia Volumes 11A (2001), 11B (2001) and 12 (1998), products of ABRS, ©Commonwealth of Australia

Author

Minor edits by J.Rogers

B.R.Maslin