Tree to c. 8 m high. Bark furrowed, dark brown. Branchlets very acutely angular, stout, densely grey-velutinous. Phyllodes asymmetrically elliptic, ±straight, 7.5-15 cm long, 20-50 (-75) mm wide, coriaceous, stiff, with 3 or 4 prominent often yellowish main nerves running together near base, clothed with spreading hairs; minor nerves 2 or 3 per mm, widely spaced, conspicuously anastomosing with free nerve-endings; gland 1, conspicuous, basal. Spikes 4-9.5 cm long, golden. Flowers 5-merous; calyx 0.7-1 mm long, cupular, dissected to 1/5, ±coarse, pilose especially in upper 1/2; corolla 2-2.5 mm long; petals free, with prominent midrib, glabrous; ovary pubescent. Pods slightly constricted between but strongly raised over seeds, compressed-terete, 6-8 cm long, 5-6 mm wide, tomentose. Seeds longitudinal, 4-5 mm long; areole open.