Robust perennial woody climber to several metres with herbaceous pubescent stems, sparsely pubescent leaflets to 65mm x 45mm. Cauliflorous or axillary inflorescence to 150mm long, glabrous calyx with tube 2.5mm long & triangular lobes 2mm long. Dull greenish standazrd to 100mm long with purple wings, keel with beak incurved for full turn. Glabrous pod to 70mm x 6mm