Vine climbing to 3m with angled branches, leaves to 105mm x 60mm, glabrescent above, pilose on veins beneath. Glabrous axillary pale green with reddish-brown veining flowers to 60mm long with white hairs inside, utricle to 18mm long, sparsely arachnoid within, tube to 25mm long, mucronate limb to 35mm x 15mm. 6-segmented capsule.