Climbing shrub with quadrangular lenticellate branches. Imparipinnate rusty-yellow silky leaves to 345mm x 270mm, 3-7 leaflets to 14mm x 0.3mm. Lax axillary & terminal panicles with bracts & bracteoles, 3-6 flowered thyrses, flowers to 14mm x 10mm with 2 bracts & 2 bracteoles to 3.2mm x 1.5mm, calyx to 4.8mm x 5.2mm, violet standard petal to 12.5mm x 13mm, glabrous claw to 1.8mm x 2mm, white wings to 12.8mm x 3.9mm. Flat yellowish silky winged pods to 140mm x 34mm.