Perennial twining herb to 2m with pilose stems. Trifoliolate leaves. Axillary racemes to 160mm long, flower bracts to 12mm x 4mm, pilose calyx to 22mm long, bracteoles to 10mm x 5mm, red corolla, standard 40mm long, banner 14mm wide, wings & keel to 40mm long. Mostly glabrous fruits to 70m x 7mm.