Rhizomatous perennial erect or climbing tendril vine to 1m with angled or narrowly winged stems. Pinnate leaves, 8-12 leaflets to 60mm x 30mm, branched tendrils. Creamy-white flowers, 5-20 per inflorescence, flowers to 20mm long, calyx to 15mm long, whitish-cream to tan standard to 22mm long with pinkish-purple lines, wing & keel shorter. Hairless pod to 60mm x 7mm.