Liane to 10m. Coriaceous glabrous leaves to 256mm x 134mm. Axillary thyrse to 270mm long with a bract to 27mm x 10mm, 5-lobed fleshy green calyx 15mm x 6mm, yellow corolla, tube to 43mm x 2m with lobes to 8.2mm x 10mm. Fruit to 18mm x 7mm.