Acacias of Australia

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Acacia brumalis Maslin




Most common from Regans Ford (on the Moore R. N of Perth) and Wubin (c. 20 km N of Dalwallinu) S to near Hyden, but also extending N to near Morowa and near Northampton, south-western W.A.


Shrub or tree 2–3 m high. Branchlets sometimes red, glabrous. Phyllodes patent to ascending, variable in shape and size, commonly oblanceolate to narrowly elliptic or oblong-elliptic, sometimes linear, straight to shallowly incurved, (3.5–) 5–9 (–11) cm long, (4–) 5–10 (–11) mm wide, narrowed at base, rather firm and coriaceous, glabrous, 1-nerved per face; lateral nerves obscure; glands not prominent, 1 or 2, with the lowermost usually 2-30 mm above pulvinus. Inflorescences racemose; raceme axes (0.3–) 0.6–2.5 (–4) cm long, appressed-puberulous with golden or white hairs, sometimes glabrous in fruit; peduncles (2–) 3–5 mm long, with indumentum as on raceme axes; heads globular to slightly obloid, 5–8 mm diam. at anthesis, 17–25-flowered, golden. Flowers 5-merous; sepals 5/6-united. Pods linear, usually straight-edged to slightly constricted between seeds, to 10 cm long, 5–6 mm wide, thinly coriaceous to firmly chartaceous, dark coloured, glabrous. Seeds longitudinal, oblong to elliptic, 4–5 mm long, dull, black; funicle encircling seed in a single fold, light reddish brown, yellow when fresh; aril thick.


Flowers late May–Sept.

FOA Reference

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



Edited by B.R.Maslin