Tree to 10 m high. Juvenile plants white-and rusty-pubescent. Bark longitudinally furrowed, grey to dark brown. Branchlets ± flattened towards apices, dark red or brown, slightly pubescent or glabrous; ridges conspicuous, scurfy. Phyllodes lanceolate or narrowly ovate, narrowed at both ends, flat, ± falcate, 11–19 cm long, (10–) 15–30 mm wide, coriaceous, glabrous (softly hairy and scurfy when young), with 3 prominent veins separate to base and very close to abaxial margin near base (with a subprominent nerve in between these and between the outer prominent nerves and margin); minor veins longitudinal, often inconspicuous, 9–12 per mm, anastomosing. Inflorescences simple or rudimentary racemes to 0.5 mm long; spikes 3–5 cm long, golden. Flowers 5-merous; calyx 0.6–0.8 mm long, dissected almost to base, densely hairy; corolla 1–1.2 mm long, dissected to half their length, slightly hairy; ovary pubescent. Pods linear, moniliform, terete, 4–13 cm long, coriaceous-crustaceous, longitudinally striate, glabrous or slightly pubescent, waxy. Seeds longitudinal, ± depressed cylindrical, 2.8–3.7 mm long, brown, with paler, greyish, open areole; pleurogram with halo.
Fast growing and suitable for plantation use, but in Cape York, Queensland, mainly useful as firewood (Beasley 2009: 29).
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