Acacias of Australia

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Acacia pubicosta C.T.White




Restricted to the Biggenden area, south-eastern Qld.


Shrub or tree to 5 m high. Branchlets ±densely appressed-puberulous towards extremities, glabrescent, with hairs straight and silvery-white. New shoots densely appressed-puberulous with cream-coloured hairs. Phyllodes linear to narrowly elliptic, (2.5–) 3–9.5 cm long, 2–5 mm wide, acute, subuncinate, thin, ±glabrous or more commonly appressed-puberulous on midribs, with a few hairs sometimes on rest of lamina; midrib not prominent; lateral nerves inconspicuous; gland not prominent, 5–10 mm above pulvinus. Inflorescences racemose; raceme axes c. 4 cm long, silvery white appressed-puberulous; heads globular, 15–20-flowered, white or cream; peduncles 2–5 mm long, silvery white appressed-puberulous. Flowers 5-merous; sepals united. Pods (immature) to 10 cm long, c. 1 cm wide, thinly coriaceous, blackish, glabrous. Seeds (immature) longitudinal; aril clavate.


Confined to rocky slopes.


Qld: Mt Walsh, 6.5 km S of Biggenden, I.R.Telford 5358 (BRI, NSW); Biggenden, C.T.White 7304A (K); Biggenden Bluff, C.T.White 7305 (BRI).


The specimens from Blackland Tableland, Mt Morgan and Callide Valley included by L.Pedley, Austrobaileya 1: 284 (1980), under A. pubicosta are now referred to A. polifolia.

FOA Reference

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


Minor edits by B.R.Maslin & J.Rogers