Petiole-climbing tall liana with glabrous stems, trifoliolate palmate leaves, leaflets to 110mm x 65mm, glabrous above hairy on midrib beneath. Axillary & terminal nearly glabrous panicles or densely pubescent thyrses to 200mm long of 4mm greenish-white flowers, glabrescent calyx, 5 sepals to 3.5mm long, outer tepals to 4mm x 2.2mm, inner ones to 3.2mm x 1mm, villous outside & 4-winged fruit to 90mm diameter, nut to 30mm long, large wings 30mm wide, short wings to 5mm long