Scandent herbaceous vine with striate pilose branches. Dentate leaves to 70mm x 30mm, sparsely hairy above & more so beneath. Axillary inflorescence usually 3 flowers, with bracteoles 1.5mm long, yellow flowers with pubescent calyx tube 4mm long & 5 lobes 5mm x 1.4mm, corolla to 22mm long with lobes 8mm x 2.5mm.