Scandent shrub or woody climber to 3m+, ferrugineously hispid branchlets armed with 1mm recurved prickles, bipinnate leaves with 14-30 pairs of leaflets to 7mm x 1.5mm. Inflorescence of spikes to 70mm x 9mm, white flowers, calyx to 2mm with 0.5mm teeth, glabrous corolla to 3mm with 1mm lobes, flattened brown pod to 100mm x 31mm