Tall climber, glabrous leaves to 150mm long. leaflets 80mm x 40mm, panicles with pubescent bracts to 20mm x 6mm, of 40mm yellow flushed orange flowers, calyx covered in stinging brown hairs 2mm long, calyx tube 6mm long with triangular teeth, 25mm long greenish corolla with numerous black specks & occasional blotches of red, standard 15mm long x 10mm, wings 5mm wide pubescent on lower margin, keel 25mm long, pod 90mm x 30mm