Herbaceous twiner with glabrous stems. Leathery leaves to 140mm x 25mm, glabrous above & puberulous beneath. Axillary racemes 3 to 4 flowers of 10mm dark purple flowers with bractlets to 12mm x 6mm, dark purple calyx, utricles 6mm diameter, tube 10mm x 2.5mm, limb 1.2mm x 10mm. 25mm x 15mm fruit capsule.