Liana with glabrous lenticellate twigs. Leaves with 5-7 leaflets, terminal leaflet to 130mm x 40mm. Axillary or rarely terminal pseudoracemes to 55mm long, flowers with bracteoles, reddish or greenish-red calyx to 2.5mm high, standard petal to 9mm x 7mm. Winged pod to 95mm x 25mm, wing to 7mm wide.