Perennial twining herb, hairy young stems. Hairy leaves to 72mm x 46mm. Glabrous racemes of 3-4 flowers with bracts to 11mm x 1.8mm, calyx tube to 0.5mm long with green or tinted purple lobes to 16mm x 5.5mm, green corolla with tube to 4.5mm long & 5 erect lobes to 40mm x 8mm