Rounded shrub mostly 0.5–1.2 m high. Branchlets tomentulose. Phyllodes inclined to ascending, straight, terete to compressed or flat and linear, 2–5 (–6) cm long, 1–2 mm wide, coarsely to sharply pungent, rigid, glabrous except pulvinus and base of phyllodes tomentulose, with ±16 plane to slightly raised closely parallel yellowish veins; stomata evident in darker coloured intervein spaces; glands 1 or occasionally 2, small. Inflorescences simple, 2 per axil; peduncles 0.5–1.5 mm long, crisped-tomentulose; basal bract caducous, rostriform, 1.5–3 mm long; heads globular, 4–5 mm diam., mostly 15–18-flowered, rarely 11–25-flowered, golden. Flowers 5-merous; sepals ½–¾-united. Pods linear, raised over and slightly constricted between seeds, slightly curved, to 4.5 cm long, 2.5 mm wide, thin-crustaceous, tomentulose. Seeds longitudinal, elliptic, ±3 mm long, glossy, black; aril apical.
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