Shrub or tree to 7 m high, weeping, pubescent. Bark fissured, grey. Branchlets terete, light to dark brown, woolly. Phyllodes crowded, erect, linear or very narrowly lanceolate, straight or slightly curved, 1–2.5 cm long, 0.7–2.5 mm wide, with aristate mucro to 2 mm long, pilose; veins obscure, numerous, closely parallel, 5–7 per mm, rarely anastomosing, sometimes with a slightly off-centre semiprominent midnerve; gland 1, 2–4 mm above pulvinus. Spikes 1.3–4.5 cm long, dense, deep yellow. Flowers 5-merous; sepals almost free, cupulate towards apex, ±narrowly oblong, pubescent or glabrous; corolla 1.3–1.6 mm long, dissected to c. ½ of length, pubescent or glabrous. Pods submoniliform, ±terete, to c. 11 cm long, 3–5 mm wide, coriaceous, red-brown, longitudinally striate, glabrous, rarely puberulous, resin-encrusted; margins not thickened. Seeds longitudinal, 4.5–6 mm long, shiny, dark brown to black; pleurogram pale; areole open, light brown; aril terminal.