Liana with striate hollow branchlets. 2-3 foliolate leaves with a simple or trifid tendril , coriaceous leaflets to 120mm x 90mm lepidote above, glabrate beneath. Axillary puberulous racemes, cream flowers with calyx to 6mm x 8mm, yellow corolla 55mm x 14mm, tube 50mm long & lobes 10mm long. Glabrous green capsule to 100mm x 75mm.