Tendril vine to 6m with hirsute stems. Denticulate mucronulate 5-lobed leaves to 120mm x 123mm, bifid tendrils. Staminate umbels or racemes of 3-9 flowers, flowers to 14mm x 3.5mm, sepals to 3mm x 1.5mm, petals to 7.5mm x 6mm. Female solitary inflorescence, flowers to 6mm x 3.5mm with calyx & corolla similar to male. Fruit to 40mm x 25mm.