Unarmed shrub or tree to 8 m high; young branchlets angular, glabrous or the young shoots minutely pubescent. Leaves phyllodic, apparently simple, glabrous, 6-18 x 0,7-2 cm, linear-lanceolate or narrowly oblong to oblanceolate, straight or almost so, mucronate apically, sometimes obliquely so, narrowed basally, with 2-5 prominent longiÂtudinal nerves and faintly or conspicuously anastomosing almost longitudinal veins between the nerves. Inflorescences spicate, axillary, solitary or in pairs; spikes up to 4 cm long. Flowers bright yellow, sessile. Calyx very short. Corolla glabrous. Pods brown, 7-14 x 0,4-0,6 cm, cylindrical, straight or slightly curved, margins constricted between the seeds, dehiscing longitudinally along both margins, valves longitudinally wrinkled or striate, acuminate apically, glabrous. Seeds dark brownish-black, 4-7 x ±2,5 mm, more or less oblong, smooth, compressed; areole ±3,5x1,5 mm; funicle not much folded, thickened almost from the base into a small ± cupular aril enclosing the apex of the seed.
