Liane to 12m or rarely an erect shrub with velvety woody branches, imparipinnate coriaceous leaves to 300mm long, terminal leaflet to 175mm x 85mm glabrous above ferrugineous tomentose beneath, panicles to 300mm or more long, velvety calyx to 3mm, corolla 9mm, standard 4mm across, glabrous pod to 85mm x 25mm