Acacias of Australia

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Acacia awestoniana R.S.Cowan & Maslin




Endemic in Stirling Range Natl Park, c. 80 km N of Albany in south-western W.A.


Shrub 2.5–3 m high, resinous, viscid. Branchlets glabrous. Stipules persistent, obliquely ovate, 2–4 mm long. Phyllodes patent, obliquely widely elliptic to elliptic, 1.5–3 cm long, 11–22 mm wide, undulate, obtuse to truncate and cuspidate, coriaceous, glabrous, with 3–6 main longitudinal nerves and sparingly reticulate in between; gland ±basal. Inflorescences 1–3-headed racemes; raceme axes 2–7 mm long, puberulous; peduncles 12–20 mm long, glabrous; basal bract 1.5–2.5 mm long; heads globular, 5–6 mm diam., 54–60-flowered, golden; bracteoles peltate, acuminate. Flowers 5-merous; sepals 3/4-united. Pods narrowly oblong, straight, to 2.2 cm long, 3–5 mm wide, villous. Seeds oblique (?), oblong-elliptic, ±4 mm long, glossy, brown; aril terminal.


Grows in Wandoo (Eucalyptus wandoo) woodland.


W.A.: Stirling Ra. Natl Park [precise localities withheld for conservation reasons], B.R.Maslin 3745 (PERTH), loc. id., H.Steedman (PERTH00193909); loc. id., A.S.Weston 9130 (MEL, NSW).


Most closely related to A. dictyoneura which has smaller, mucronulate phyllodes, smaller stipules and bracts, shorter peduncles, ovate to lanceolate bracteoles and free sepals. Both species are in cultivation in Tas.


Gazetted a rare species in W.A.

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 J.Reid

R.S.Cowan, B.R.Maslin