Tall shrub or tree to 5 m high. Branchlets flattened at tips, soon terete, sparsely appressed-puberulous apically but soon glabrous, sometimes ± white-resinous. Phyllodes erect, linear, 5–11.5 cm long, 2–3.5 mm wide, tapering to a long-acuminate gently curved apex, thinly coriaceous, sericeous becoming glabrous, 3-veined per face; veins distant and raised, sometimes with infrequent anastomoses. Inflorescences simple, sometimes in rudimentary racemes with axes to c. 1 mm long; peduncles 2–6 mm long, appressed-puberulous; heads obloid to subglobular, 5–6 mm long, 4 mm diam., 30–36-flowered, golden; bracteoles spathulate with rounded blade. Flowers 5-merous; sepals free; petals 1/2-united. Pods narrowly linear, slightly ridged longitudinally, straight, biconvex, to 8 cm long, 2–3 mm wide, sparsely appressed-puberulous. Seeds longitudinal, oblong, ± 3.5 mm long, light brown; aril terminal.