Climber or tree to 18m with sparsely hairy to glabrous twigs. Hairy to glabrous leaves to 220mm x 75mm. Cprymbose cymes to 100mm long with bracteoles to 3mm long, 4-lobed yellow-white calyx to 2.2mm long with lobes 1mm long, corolla tube to 1.8mm long with hairy lobes to 1mm x 0.8mm. Fruit to 4.5mm x 2mm.