Slender vine with leaves to 110mm x 115mm with twining petioles. Pendulous inflorescence to 100mm long each flower subtended by a bract to 15mm x 15mm., flower tube inflated from base, tube to 2mm diameter opening with lip to 25mm x 5mm. Fruit to 20mm x 16mm with 12 longitudinal ribs, splitting from base upwards.