WATTLE

Acacias of Australia

Print Fact Sheet

Acacia chrysochaeta Maslin

Family

Fabaceae

Distribution

Restricted to remote areas of north W.A., Kimberley region, from the Gibb River and Karungie Stns.

Description

Shrub to 1.5 m high, erect, spindly. Branchlets terete, brown, yellowish towards apices, finely nerved, densely tomentose. Phyllodes closely pressed to stems, linear, flat, 2–4.5 cm long, 2–3 (–5) mm wide, with curved 1–3 mm long apical seta, softly puberulous, with 1 prominent main nerve; minor nerves 4 per mm, parallel, not anastomosing; gland 1, basal, 1–1.5 mm above pulvinus. Peduncles 6–12 mm long. Spikes 2.5–3 cm long, dense. Flowers 5- or rarely 6-merous, markedly pale golden- (later white-) tomentose; calyx 1–1.3 mm long, dissected to 2/3; corolla 1.5 mm long, dissected to 1/2–2/3. Pods narrowly oblong, almost straight-sided, straight to shallowly curved, 4.5–6 cm long, 7–10 mm wide, densely golden- (later white-) tomentose, appearing greenish yellow. Seeds oblique, ±oblong, 4.5–5 mm long, black; pleurogram obscure, with pale halo.

Phenology

Flowers late May–early June & Nov.

Habitat

Grows in eucalypt savannah with Annual sorghum and in sandy alluvium besides watercourses.

Specimens

W.A.: 21 miles [33.6 km] N of Gibb River Stn, J.R.Maconochie 1294 & 1295 (DNA, NSW); 32 miles [51.2 km] NE of Karungie Stn [now known as Pentecost Downs Stn], R.A.Perry 3089 & M.Lazarides (BRI, CANB, NSW).

Notes

Allied to A. kelleri, A. dacrydioides and A. willingii.

FOA Reference

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

Author

Minor edits by J.Reid & J.Rogers

Dr M.D.Tindale and Dr P.G.Kodela with the assistance of M.Bedward, S.J.Davies, C.Herscovitch, D.A.Keith and/or D.A.Morrison