Sometimes scandent glabrous shrub, liana to 8m or treelet, fluted lenticellate stems. Imparipinnate 5-foliolate glabrous leaves to 300mm long, 5 glabrous verrucose leaflets to 170mm x 55mm. Terminal, subterminal or axillary reddish-brown hirsute many-flowered panicles to 400mm long with minute bracts, pubescent flowers to 6mm long, coriaceous sepals to 5mm x 1.25mm tomentose outside glabrous inside, petals tomentose 6mm x 1.2mm, persistent calyx 22.5mm long x 15mm wide subtending glabrous orange-yellow coriaceous inflated fruit 25mm x 17.5mm with minute beak.