Herbaceous tuberous climber to 10m with twining woody prickly stems & red hair becoming glabrescent, tubers to 2metres long. Simple leaves 180mm x 140mm glabrous above floccose beneath, male axillary fascicles to 800mm long with bracts. sepals 1mm long, flowers 0.9mm x 0.8mm, female inflorescence to 200mm long axillary spikes, flowers 1.5mm x 1.2mm, infructescence 150mm long capsules 28mm x 47mm with wing at 90ยบ 26mm x 30mm, whole plant pubescent