Herbaceous perennial climber or creeper to 4m with glabrous stems. palmately 5-lobed glabrous leaves to 150mm x 175mm with denticulate margins, may have bracts to 1.5mm, simple tendrils. Male flowers in dense racemes with bracts to 2.5mm, calyx lobes to 2mm, orange to yelloe corolla to 13mm, lobes to 3mm, female flowers solitary or in few-flowered racemes similar to male. Fruit to 70mm x 17mm.