Herbaceous climber or creeper to 1.8m with angular glabrous or hairy stems. Leaves to 110mm diameter, sparsely pubescent. 1-2 flowered axillary inflorescence with bracts to 3mm long, purple flowers with sepals to 12mm long, corolla to 80mm long, tube t 2.5mm diameter. Capsule 15mm diameter enclosed in persistent sepals to 22mm long.