Spiny scandent shrub or liana with glabrous branches, more or less armed with prickles, bipinnate leaves with leaflets to 22mm x 8mm. Terminal or supra-axillary panicles to 500mm long with hairy bracts to 5mm x 1mm, sepals to 8mm x 5mm, petals to 10mm x 10mm, fruit a glabrous fleshy pod to 90mm x 30mm with an 8mm wide wing