Shrub 0.3–0.6 m tall. Branchlets rigid, striate-ribbed, sometimes pruinose, glabrous. Stipules 1–3 mm long, ±spinose. Phyllodes sessile, variable, narrowly linear to inequilaterally narrowly oblong-elliptic, pentagonal-terete when narrow, (8–) 10–25 mm long, normally 1–4 mm wide, with oblique pungent apex, thick, rigid, subglaucous (? or green), glabrous, 5-nerved, with the 2-nerved adaxial margin thick and nerve-like; midrib prominent. Inflorescences simple, 1 per axil; peduncles 3–10 (–15) mm long, stout, glabrous; heads globular, 30–50-flowered, golden. Flowers 5-merous; sepals ±free; petals nerveless. Pods curved, terete to subterete, to 6.5 cm long, 3.5–5 mm wide, subwoody, dark red-brown, glabrous. Seeds longitudinal, oblong, 5–6 mm long, grey-brown; aril terminal, ±conical, small.