Scandent shrub with 4-angular glabrescent or hispid branches armed with 3mm long curved prickles. Bipinnate leaves with 6-11 pairs of pinnae & 30-44 pairs of leaflets per pinna, glabrous leaflets to 6mm x 1mm. Inflorescence 8mm diameter with bracts 2mm long, flowers with calyx 2mm long, corolla 2mm long. Flat legume to 125mm x 23mm.