Suffrutescent twiner to 3m. Leaves to 100mm x 60mm, glabrescent above, hairy beneath. Cymes of flowers with bracts to 3mm long, calyx lobes to 3.5mm x 1.5mm, 5 sepal, 5 petals, purple-lavender to rose corolla, tube 0.8mm long, lobes to 20mm x 10mm.