Scandent herbaceous mostly glabrous vine. Glabrous leaves to 110mm x 30mm. Axillary solitary inflorescence with 3-5 flowers, with bracts to 4mm long, yellow flowers, calyx tube to 3mm long with 5 lobes to 3.5mm x 1mm, corolla to 22mm long with 5 lobes to 9mm x 2mm. Black glabrous fruit to 9mm x 3.5mm.