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Acacia brachypoda

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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.

Representative collections

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).

(BRM)

WATTLE Acacias of Australia CD-ROM graphic

The information presented here originally appeared on the WATTLE CD-ROM which was jointly published by the Australian Biological Resources Study, Canberra, and the Department of Parks and Wildlife, Perth; it was produced by CSIRO Publishing from where it is available for purchase. The WATTLE custodians are thanked for allowing us to post this information here.

Page last updated: Tuesday 11 September 2018