Liane to 10m with lenticellate stems. Glabrous leaves to 123mm x 43mm. Pendulous glabrous inflorescence to 46mm with a bract to 19mm x 6.5mm, 4-lobed green, white or yellow calyx to 11mm long with lobes to 15mm x 15mm, greenish-white to cream corolla to 55mm x 6mm opening to 24mm at mouth, brown lobes to 15mm x 10mm. White glabrous fruit to 20mm x 8mm.