Slender tree to 7 m tall, with pale grey or whitish bark; young branchlets glabrous, with long internodes. Prickles solitary or in threes, central prickle somewhat recurved, the laterals, if any, spreading. Leaves: petiole 2–6 mm long, with a large flattened gland 1–2 mm in diam. between the lowest pinna pair; pinnae c. 3 pairs; leaflets 5–13 pairs, 5–13 x 1.25–4 mm, oblong, glaucous, glabrous. Spikes up to 12.5 cm long; flowers not known. Pods straight, dehiscent, 6–15.5 cm long including a 1.8–4 cm long stipe, 0.9–1 cm wide, margins slightly constricted between some of the seeds, finely veined, glabrous.
