Perennial twiner, branches & petioles pubescent. Trifoliolate leaves, elliptic leaflets glabrous above, pubescent beneath to 102mm x 76mm. Axillary inflorescence of 8-20 flowers in pseudoraceme to 50mm long, bright magenta flowers, rarely white, with white splash & dark lines on standard to 45mm long. Fruit a pod to 180mm x 32mm.