Climber or shrub, young branches grey-pubescent becoming glabrescent, white lenticels. Leaves to 125mm x 50mm, glabrous above, tomentose beneath. Panicles with small bracts, calyx to 1.5mm long, orange or yellowish corolla, ubescent outside with tube to 4mm long & lobes to 4mm long. Follicles to 450mm long.