Vine or mostly glabrous scandent shrub with imparipinnate leaves. 10-ribbed branches. leaves to 160mm x 140mm, leaflets to 70mm x 40mm, terminal leaflet often tripartite or pinnate & all leaflets dentate or lobed. Puberulent panicles of waxy white flowers, glabrous sepals 5mm long, petals 6mm x 3mm. Glabrous fruit.