WATTLE

Acacias of Australia

Print Fact Sheet

Acacia anarthros Maslin

Family

Fabaceae

Distribution

Restricted to near New Norcia, south-western W.A.

Description

Subshrub 0.2–0.5 m high. Branchlets ±flexuose, appressed-puberulous to strigulose. Stipules spinose, 3–7 mm long. Primary leaf axis clearly continuous and decurrent with branchlet, 0.5–2 cm long, stout, subulate, straight or recurved, spinose; pinnae 1 pair, 2–5 mm long; petiole absent; pinnules 2 or 3 pairs, 4–10 mm long, 0.5–1.5 mm wide, revolute, green, glabrous. Inflorescences simple, 1 per axil; peduncles 7–15 mm long, hirsutellous to puberulous; heads globular, 14–16-flowered, golden. Flowers 5-merous; sepals c. 1/2-united, 5-nerved; calyx lobes ciliolate and sometimes additionally pilose; petals 1-nerved. Pods narrowly oblong, to 6 cm long, 5–8 mm wide, crustaceous, shortly villous. Seeds longitudinal, broadly elliptic to circular, 3–4 mm long, microscopically rugose.

Habitat

Grows in sand, gravelly loam and gravel, in open Wandoo (Eucalyptus wandoo) and Marri (Corymbia calophylla) woodland and also heath.

Specimens

W.A.: near New Norcia, B.R.Maslin 4117 (CANB, K, MEL, PERTH, TLF).

Notes

Formerly included under A. drewiana.

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