Herbaceous climber with glabrous stems. 1-3 foliolate leaves to 150mm x 75mm. Axillary panicles to 350mm long, umbels to 32mm wide with 25-60 flowers, white flowers 4mm x 5mm, 5 sepals to 0.8mm x 0.6mm, 5 white petals to 2.3mm x 1.2mm. Purple-brown to black fruit to 5mm x 5.2mm.