Woody climber, young branches armed with 0.5mm long recurved prickles, leaves glabrous above, hairy beneath & glabrescent with 11-26 pairs leaflets to 10mm x 2.7mm. Axillary racemes with floral bracts, puberulous calyx to 2.3mm with 0.5mm triangular teeth, puberulous corolla to 3mm with 1mm lobes, glabrous pod to 115mm x 27mm