Small tree to shrub, to 8 m high; branchlets with decurrent ridges, softly hairy. Leaves with rachis 3–12 cm long, finely hairy, with at least a raised gland at the junction of the terminal pinna; pinnae in 8–13 pairs; pinnules in 15–40 pairs, oblong, 4–10 mm long, 1–4 mm wide, asymmetric, mostly glabrous, apex acute, mucronate. Racemes often 2 per axil, 4–8 cm long, softly hairy; peduncles 10–30 mm long. Pods 8–12 cm long, 15–25 mm wide, yellow to reddish, glabrous, stalked; seeds 6–12, black, transverse. Flowers Aug.–Sep.
*CVU, *EGL, *GipP, *Glep, *HSF, *OtP, *OtR, *Strz, *VVP, *WaP, *WPro. Also naturalised WA (also native in WA), SA, NSW, Tas. Native to Western Australia. Widespread and troublesome weed in coastal or near-coastal areas. Buried seeds remain viable for many years.
While considered to be a post-European weed in Victoria, it was recorded as a dominant shrub on the summit of Mt Rodondo, a steep-sided granite island c. 10 km south of Wilsons Promontory, on its claimed first ascent by Europeans in 1947.
|Bioregion||Occurrence status||Establishment means|
|Victorian Volcanic Plain||present||naturalised|
|Central Victorian Uplands||present||naturalised|
|East Gippsland Lowlands||present||naturalised|
|New South Wales|