Twining perennial to 5m with glabrous pale brown stems. Denticulate pubescent mucronate leaves to 130mm x 100mm. 1-5 flowered axillary cymes with bracteoles to 2mm x 0.5mm, glabrous sepals to 8mm x 5mm, white glabrous corolla to 55mm long with blue limb 35m diameter. Glabrous capsule to 16mm x 13mm.