Acacia brachypoda Maslin, Nuytsia 7: 225 (1990)
Dense, slightly aromatic shrub to 2 m high. New shoots, inflorescences and pods resinous. Branchlets with broad, flat, yellow or green, longitudinal bands between narrower, brownish, resinous ribs at extremities, glabrous. Phyllodes patent to erect, straight to shallowly incurved, terete to flat and linear, 2–5 cm long, 0.7–1.4 mm wide, obliquely truncate and excentrically mucronulate, green, glabrous, obscurely 4-nerved, 1-nerved per face when flat; nerves impressed, sometimes resinous; gland obscure, c. 0.5 mm above pulvinus on a slight angle. Inflorescences simple, 2 per axil, sometimes comprising 2-headed, rudimentary racemes with axes to 1 mm long; peduncles 2–3 mm long, appressed-puberulous; basal bract yellow; heads globular, 8–9-flowered, golden. Flowers 5-merous; sepals c. 3/4-united, the lobes triangular; petals 1-nerved. Pods curved and/or undulate to irregularly circinnate, 7–8 mm wide, thinly coriaceous-crustaceous, glabrous. Seeds longitudinal, oblong to oblong-ovate, 4 mm long; aril thick.
Restricted to the area between Brookton and the headwaters of the Darkin R., south-western W.A. Grows in low-lying, seasonal swampy areas in sandy clay or loam in open scrub (near Darkin R.) or on low, sandy loam rises in open woodland adjacent to slightly saline flats (near Brookton).
Distinguished from other members of the ‘ A. wilhelmiana group’ by its very short peduncles and few-flowered heads.
Type of accepted name
13.5 km N of Brookton towards Beverley, W.A., 26 May 1976, B.R.Maslin 4088 ; holo: PERTH; iso: CANB, K, NY.
W.A.: Darkin Swamp, J.S.Beard 8130 (PERTH); between Beverley and Brookton, B.R.Maslin 6342 (AD, BRI, CANB, G, K, MEL, MO, NSW, NY, Z).