Erect or climbing herb or subshrub, branches hirsute when young becoming glabrescent, 3-lobed leaflets 120mm x 100 pilose both surfaces, axillary or terminal fascicles or racemes with bracteoles to 6mm long, to 300mm long or more, grey silky hairy calyx 20mm long, yellow corolla to 20mm long, standard blue to purple to 8mm across, violet wings to 4mm across, whitish keel, brown-hairy pod 30mm long