Herbaceous twiner with pubescent stems. 3-foliolate leaves, leaflets to 30mm x 10mm, pilose or glabrous above & pilose beneath. Solitary flowers, toothed pilose calyx 6mm long, yellow corolla, standard 9mm x 6.5mm with claw to 0.5mm, wings to 2.5mm wide, keel to 8mm long. Pubescent legume 40mm x 4.5mm.