A slender deciduous shrub, c. 1.2-1.8 m tall, twigs glabrous slightly zigzag, bark smooth, dark grey. Stipular spines c. 1.2-2.5 cm long, white. Rachis 3.5 mm to 3.8 cm long, smaller eglandular, longer with 2 glands, one in the middle of the rachis, the other between the last pair of pinnae. Pinnae 1-4 pairs, c. 5-13 mm long, leaflets 4-8 pairs, c. 2.5-4 mm long, elliptic, oblong, glabrous, subacute, petiolule 1 mm long. Inflorescence globose pedunculate heads, in the axils of leaves, solitary or in pairs, peduncle c. l.0-1.8 cm long, 3 bracts, at, above or below the middle of the peduncle. Calyx c. 1.5 mm long, campanulate. Corolla c. 3 mm long or less. Pod c. 10-15 cm long, c. 5-7 mm broad, flat, straight or curved, stipitate, glabrous, longitudinally veined. Seeds 1-8, areole not well marked.