Shrub or tree to 15 m high. Branchlets glabrous, often lightly to moderately pruinose. New shoots golden appressed puberulous. Stipules caducous or absent. Phyllodes narrowly lanceolate or narrowly elliptic, commonly falcate or dimidiate, (7–) 8–18 cm long, 1–3.5 cm wide, tapering, blunt, grey or blue-green, with 2–4 primary veins; secondary veins somewhat obscure, forming numerous anastomoses; margins yellow; gland small, (1–) 3–6 mm above the pulvinus; pulvinus 2–5 mm long. Inflorescences simple, normally 2 per axil; spikes to 6 cm long, sessile or almost so, often curved, ±densely flowered, mid to deep yellow; receptacle glabrous; bracteoles peltate with shield-like lamina, 1–1.5 mm long, 1–1.3 mm wide. Flowers 4-merous; sepals united. Pods moniliform or submoniliform, mostly straight, c. 6–15 cm long and 2–5 mm wide, thinly coriaceous-crustaceous to chartaceous, ±pruinose, waxy. Seeds elliptic, c. 4 mm long, dull; funicle folded several times; aril cupular.