Tuberous-rooted tendril climbing herb clothed with scattered deciduous setae, leaves with 3-5 leaflets, irregularly toothed terminal leaflet 50mm x 25mm, with glabrous light green fruit maturing deep purple to 12mm diameter x 6mm, terminal cymes or panicles 75mm across of greenish-yellow to yellow flowers, calyx to 1mm across, corolla to 2mm long, 4 petals