Spindly glabrous shrub to 5 m high. New shoots pink. Branchlets flattened towards extremities. Phyllodes lanceolate to narrowly elliptic, 6–10 (–12) cm long, 9–15 (–20) mm wide, acute or obtuse, thin, with 3 prominent, longitudinal main veins; minor veins few, inconspicuous and sparingly longitudinally anastomosing; gland prominent, 2–6 mm above base. Inflorescences simple or rudimentary racemes with axes c. 1 mm long, 2–5 per axil; peduncles 8–15 mm long; basal bract persistent; heads globular, 20–30-flowered, golden. Flowers 5-merous; sepals free. Pods flat, alternately rounded over seeds and scarcely constricted between them, to 10 cm long, 8–10 mm wide, coriaceous, pruinose; margins thickened. Seeds longitudinal, subcircular, subflat, 4–5 mm long, dull, black; funicle/aril ½–¾ encircling seed, dark coloured.