Shrub 2–2.5 m high, arching, spreading. Branchlets terete, fawn to red-brown, villous. Phyllodes linear, subterete, 0.6–1.3 cm long, 0.2–0.5 mm wide, with fine and often bent apical mucro 1–2 mm long, minutely tuberculate, sparsely villous; midvein median and groove-like; gland 1, minute, basal. Spikes 0.8–2.2 cm long. Flowers 5-merous; calyx c. 1.5 mm long, dissected for ⅓–½ of length, with apices sparsely villous; corolla 1–2 mm long, deeply dissected into strongly nerved petals, glabrous or sparsely villous near apex; ovary sparsely villous. Pods submoniliform, 6–8 cm long, to 3–4 (–5) mm wide, glabrous, with dark red-brown longitudinally ribbed valves; margins unthickened. Seeds longitudinal.