Herbaceous twiner with glabrous striate stems. Glabrous leaves to 55mm x 60mm, sometimes villous beneath. Axillary racemes to 40mm with bractlets to 5mm x 4mm, up to 4 flowers of 7mm dark purple flowers,dark purple calyx 4mm diameter, utricle 4mm diameter, tube 7mm x 2mm, limb 15mm x 4mm. 15mm diameter fruit capsule.