Twiner with lenticellate striate glabrous stems, glabrous imparipinnate leaves with 5 leaflets, leaves 400mm long, leaflets 220mm x 95mm, axillary racemes to 120mm long, flowers to 12mm long with bracts & bracteoles, puberulous calyx 2mm x 4mm, white corolla, standard 13mm long with wings 10mm long & keel 10mm long