Woody vine or shrub with spiny stems & branches, spines to 25mm long. Hairy leaves to 72mm x 33mm. Glabour or hairy flowers with calyx cup 0.2mm deep, calyx lobes to 1mm x 0.8mm, white corolla with tube to 3mm x 2mm glabrous outside hairy inside, puberulent corolla lobes to 2mm x 1,5mm. Fruit 4mm x 2mm with corky surface