Tall glabrous twining tendril liane, branches with minute lenticels. Coriaceous glabrous leaves 125mm x 55mm. Solitary axillary, extra-axillary or terminal red-purple flowers with bracts, calyx 3mm long with 4 sepals, white corolla tube to 50mm x 5mm long glabrous outside hairy within, lobes 24mm long x 1mm. Yellow fruit 75mm x 50mm.