Woody vine or climbing shrub with striate brown tomentose stems. Villous leathery leaves to 300mm x 170mm. Axillary racemes to 6 flowers on old woody stems, yellow-purple flowers to 30mm long with bractlets to 2mm x 1mm, yellowish calyx with dark purple lobes, tube to30mm x 25mm, 3-lobed limb to 30mm diameter. 100mm x 30mm ribbed seedcase.