Tall liana, pubescent lenticellate stems, coriaceous leaves 200mm x 90mm glabrous above, hairy on middle nerve beneath, terminal cymes or corymbs 120mm x 200mm, yellow flowers, 5 sepals 5mm x 2mm, calyx tube 4mm long, 5 petals to 3mm long silky villous outside, fruit 12mm x 9mm