Herbaceous twining climber with grey pubescent stems, trifoliate leaves, central leaflet 60mm x 50mm glabrous above grey-pubescent beneath, 6-20 flowers in racemes to 100mm with deciduous bracts & bracteoles, lime-green flowers marked maroon, pubescent calyx to 12mm, yellow corolla to 16mm, glabrous yellow standard veined purple, velvety outside. Legume grey-pubescent when young 32mm x 10mm