Shrub to 3 m high, resinous. Bark greyish or light brown. Branchlets terete, pale to bright green, glabrous or sparsely puberulent. Phyllodes single, occasionally paired, ±linear to very narrowly elliptic, sometimes widest c. 1/3 from apex, flat, straight or slightly curved, 2.7-10.2 cm long, 1.4-6.5 mm wide, chartaceous, bright green, glabrous or ciliolate, with prominent midnerve, usually with 2 subprominent nerves, with 2-7 nerves per mm, sparsely anastomosing; glands basal and apical, inconspicuous. Peduncles 13-26 mm long. Spikes single, 2-5.5 cm long, 3.5-6.5 mm wide, slightly interrupted at first, golden. Flowers 5-merous; calyx 0.2-0.4 mm long, almost free, with lobe apices obtuse or ±spathulate; corolla 0.9-1.5 mm long, dissected by 1/3-1/2, glabrous. Pods linear, raised over and constricted between seeds, curved, 2-12 cm long, 2.5-4 mm wide, with longitudinal nerves and minor nerves anastomosing, glabrous. Seeds longitudinal, areole closed, depressed; funicle folded c. 5 times.