Family

Fabaceae

Distribution

Restricted to near Margaret River, south-western W.A.

Description

Scrambling shrub with weak filiform branches. Branchlets green, glabrous, infrequently subglabrous. Stipules 1–2 mm long. Phyllodes rather distant, ±sessile, narrowly triangular, deflexed, 5–7 mm long, 0.5–1 mm wide, with unequal base, pungent, glabrous; midrib ±central; lateral nerves absent; gland on a short blunt spur near base of phyllode. Inflorescences simple, 1 per axil; peduncles 3–6 mm long, slender, glabrous; heads globular, 5–9-flowered, cream to white. Flowers 4-merous; sepals 1/4–1/2-united, with lobes ±triangular. Pods and seeds not seen.

Habitat

Grows along watercourses and in swamps.

Specimens

W.A.: Osmington, Margaret River district, R.D.Royce 3913 (CANB, MEL, PERTH).

Notes

Distinguished from other members of the ‘A. horridula group’ by its very weak, filiform branches and narrow, deflexed phyllodes and, except A. hastulata, glabrous peduncles (fide B.R.Maslin, Nuytsia 2: 277 (1978)). The unusual habit of this species is sometimes also found in A. uliginosa.

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

Minor edits by J.Rogers