Nearly glabrous liana with 3-angled & 6-ribbed striate glabrous branches with lenticels on old stems. 5-foliolate leaves with serrated glabrous leaflets, terminal leaflet to 200mm x 70mm. White flowers in axillary tomentulose or glabrescent thyrses or panicles to 450mm long with minute bracts & bractlets, tomentulose or glabrous sepals to 4mm long, whiye petals to 5mm. Glabrescent red-orange or brownish-maroon fruit capsule to 70mm x 50mm.