Twining glabrous liana with striate stems. Leaves to 90mm x 45mm. Axillary scorpioid cymes of 5-12 flowers, 30mm long white or yellow flower with bracts to 3mm long, calyx lobes to 4mm long, glabrous corolla to 45mm long with tube to 5mm x 3mm, throat 15mm x 8mm, lobes to 17mm long. Green fruit