Herbaceous simple tendril climber with glabrous branches, leaves to 100mm across 3-5 lobed, lobes toothed & scabrid both surfaces, monoecious axillary yellow-green flowers, minute male flower with corolla to 1.5mm diameter, female flowers in same axils as males, bright scarlet berry 20mm long, prostrate or scandent stems, male flowers to 25 per raceme, petals to 1.5mm long, long caudex