Herbaceous climber to 5m with tuberous root. Simple or 3-5 lobed mucronate leaves to 120mm x 130mm. Inflorescence to 60mm, 3-15 flowered in male, tendril to 150mm long, bracts & bracteoles to 6mm, yellowish flowers. Male flower to 35mm x 10mm including 6mm long stipe, calyx lobes to 5.5mm, petals to 5mm x 1.5mm.