Large tendril climber with rusty tomentose young branches, bifid leaves to 220mm dia., glabrous above, mostly glabrescent beneath but reddish tomentose on nerves. Terminal racemes to 300mm long dark reddish-brown tomentose with tomentose bracts to 3mm long and similar bracteoles, calyx splitting into 5 sepals to 25mm long tomentose outside, petals silky-tomentose outside. Pods to300mm x 60mm