Family

Fabaceae

Distribution

Occurs from Dirk Hartog Is. in Shark Bay NE to Point Samson, north-western W.A. The disjunct populations N of the Tanami Desert, N.T., were provisionally referred to this subspecies by R.S.Cowan & B.R.Maslin, Nuytsia 9: 85 (1993), are now regarded as A. sericophylla.

Description

Dense spreading shrubs or trees 1–3 (–4) m high, occasionally prostrate. Phyllodes mostly erect, linear to very narrowly elliptic, straight to shallowly or moderately recurved, 9–22 cm long, 2–7 (–8) mm wide, silvery green or grey-green. Peduncles 4–10 (–13) mm long. Pods 5–10 mm wide, either coiled and twisted as in subsp. pendens or openly curved (into a half or full circle) and not twisted.

Habitat

Grows on sand dunes and plains, infrequently in lateritic or limestone soils, usually in Acacia scrub and shrubland but the disjunct populations in lateritic soil in open eucalypt woodland.

Specimens

W.A.: inland of Sandy Point, Dorre Is., J.S.Beard 7092 (PERTH); about 5 km N of Exmouth Gulf HS toward William Preston Point, B.R.Maslin 4757 (BRI, PERTH); 2.2 km E of Bungle Bungle outstation, N.H.Scarlett 84-343 (PERTH).

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

R.S.Cowan

Revised by B.R.Maslin & J.Reid