Perennial deciduous prickly rhizomatous herbaceous twiner with rhizome to 200mm long, pubescent spiny stems to 20m, leaves 150mm x 160mm glabrous above & pubescent or glabrescent beneath. Cymules of 2.5mm flowers, male inflorescence to 450mm long, flowers to 3mm villous outside, female flowers to 50 per inflorescence, glabrescent capsule yellow-brown to 30mm with 18mm x 25mm wings at 60-70ยบ