Perennial glabrescent herbaceous slightly twining or decumbent herb withtuberous root & brown-hairy stems & leaves. Trifoliolate mucronate leaves both surfaces strigulose, central leaflet to 150mmx 50mm, leaflets lobed & mucronate. Axillary pseudo-racemes to 310mm long with bracts 8mm long of 2-8 flowers, 40mm mauve, purple, pink, white or yellow fragrant flowers sometimes with yellow or purple spots at base of standard, keel whitish or purplish, standard 25mm x 20mm, wings 10mm wide, beaked keel, calyx ferrugineous bristly or downy to 16mm, pink or reddish-purple corolla to 25mm. Erect ferrugineous bristly pod to 140mm long x 5mm, silky at first.