Tree to c. 10 m high; habit reported to resemble Acacia cana and A. cambagei. Branchlets flexuose, angled at extremities, slightly pruinose, glabrous. Stipules absent. Phyllodes ±narrowly linear, straight to shallowly recurved, 7–15 (–23) cm long, 3–8 mm wide, narrowed at both ends, coriaceous, pale green, glabrous or subglabrous; midrib and marginal veins prominent, with anastomosing lateral veins arched near margin; gland oblong to ±linear, 1–2 mm long, 0–4 mm above pulvinus. Inflorescences 1–4-headed racemes; raceme axes 2–10 mm long, glabrous; peduncles 1–2 cm long, glabrous; heads globular. Flowers 5-merous; sepals free, linear-spathulate. Pods narrowly oblong, umbonate along midline, to 10 cm long, 16–32 mm wide, firmly chartaceous to thinly coriaceous, transversely reticulate, glabrous. Seeds transverse, ±oblong to widely elliptic, flat, 8–10 mm long, 7–8.5 mm wide, slightly shiny, dark brown, exarillate.
Grows in open Acacia scrub, open (often low) woodland, open forest and dry rainforest, often with Acacia cambagei, in clay, sandy clay, loam, stony sand and gravelly soils, on alluvium, sandstone and basalt, on plains to hills.
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