Twining vine with corky bark. Hirsute leaves to 100mm x 55mm. Axillary 1-4 flowered cymes with bracts to 10mm x 1mm, flowers 60mm diameter, calyx lobes to 15mm x 3mm, pale green corolla tinged purple to 8mm long, lobes to 30mm x 9mm & corona with lobes 2mm long. Follicles to 150mm long.