Slightly woody pubescent dioecious vine with bipinnate leaves, 5-15 foliolate, lobed leaflets to 35mm x 30mm, glabrous above hairy on nerves beneath. 150mm long 1-5 flowered panicles, unisexual axillary or terminal cymes or corymbs with bracts, yellowish white flowers, 4 or 5 sepals to 10mm x 3mm. Pilose achene to 4mm long