Twining vine with hirsute stems becoming glabescent. Puberulent dentate leaves to 130mm x 70mm. Pubescent leaf-opposed inflorescence, yellow flowers, many-flowered male inflorescence to 60mm long with 3 hirsute sepals, female 2-8 flowered, to 70mm long with bracts 1mm long & 6 hirsute sepals. Pubescent fruit green to 5mm x 10mm, stinging hairs on fruit.