Woody tendril climber with glabrescent young branches, leaves to 260mm x 230mm, glabrous above, pubescent to glabrous beneath. Lateral and terminal panicles to 260mm with bracts to 10mm and bracteoles to 5mm, calyx splitting to 2-5 segments, pubescent outside, glabrous within, yellow to scarlet petals, villous outside, glabrous within, posterior petal smallest, other 4 to 30mm long including the long claw to 8mm, tomentose pod to at least 180mm long with a 10mm beak