Twining liana to 7m with young stems & inflorescence pubescent. Puberescent leaves to 200mm x 200mm. Axillary cymes with bractoles to 11mm, pilose sepals, outer sepals to 17mm x 5mm, inner sepals to 10mm x 4mm, glabresent corolla to 90mm long, red-purple or mauve with a whitish tube, limb 60mm diameter.