Shrub or tree to 5 m high, often spreading or straggly. Bark corky, furrowed. Branchlets with an indumentum of short (to 0.1 mm) and long (to 0.4 or 0.6 mm) ascending to erect hairs that also covers leaf axes, soon becoming corky, yellow-fissured and less hairy. Stipular spines 0.8–5 mm long, often inconspicuous. Leaves: petiole 0.1–0.5 (–1) cm long, with a raised gland at base of lowest pair of pinnae; rachis (1.2–) 4–10 (–14) cm long, eglandular; pinnae (5–) 20–45 (–50) pairs, (0.4–) 0.7–2 cm long; pinnules (9–) 20–30 pairs, mostly crowded, oblong to narrowly oblong or elliptic, mostly 0.4–1.8 mm long, 0.2–0.7 mm wide, obtuse, ±concolorous, ciliolate or ciliate, with raised midvein beneath. Inflorescences simple, 1 or 2 in axils; peduncles 15–40 mm long, with involucel of bracts near middle; heads globular, 20–25-flowered, cream-coloured or yellow. Pods mostly ±narrowly oblong to cultrate or narrowly elliptic, slightly constricted between seeds, ±flat but slightly raised over seeds, mostly 3–8 cm long, 10–16 (–18) mm wide, coriaceous to ±woody, obliquely to longitudinally veined, pubescent or puberulous, becoming almost glabrous.
Grows in open eucalypt woodland, grassland and seasonal Melaleuca swamp, in heavy clay alluvium, sandy loam or stony soils.
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