WATTLE

Acacias of Australia

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Acacia aphylla Maslin

Common Name

Leafless Rock Wattle

Family

Fabaceae

Distribution

Known only from one population in the Darling Ra. E of Perth and from near Northam, south-western W.A.

Description

Divaricately branched shrub to 2.3 m high. Branchlets rigid, terete, very obscurely ribbed, smooth, glaucous, pruinose, glabrous, coarsely pungent. Phyllodes absent. Inflorescences simple, 1 per axil; peduncles 7–10 mm long, glabrous; heads globular, 20–30-flowered, bright light golden. Flowers 5-merous; sepals ±free. Pods linear, 3–9 cm long, 3–4 mm wide, coriaceous, faintly pruinose, glabrous. Seeds longitudinal, oblong, 4–4.5 mm long, subshiny, black, arillate.

Habitat

Confined to granite outcrops on hillsides, in open eucalypt woodland; sometimes growing from crevices within the granite.

Specimens

W.A.: near Northam [precise locality withheld for conservation reasons], S.Patrick 253 (PERTH).

Conservation

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

Author

B.R.Maslin