Climber with glabrous stems. Glabrous leaves to 130mm x 25mm. Lax axillary glabrous inflorescence with 4-21 flower subtended by minute bracts 1mm long, 50mm pale yellow to greenish white flowers, 5 calyx lobes to 3mm long, corolla green in upper half, red in lower half with white lobes, tube 22mm x 8mm at throat with lobes 9mm x 6mm.