Twining herbaceous perennial vine with woody sparsely pubescent stems. Leathery glabrescent leaves to 90mm x 50mm. 15mm lilac-blue flowers in axillary few-flowered cymes with bracts to 12mm x 5mm & bracteoles to 5mm long. Coriaceous sepals to 10mm x 5mm, white pilose corolla to 19mm long with 5 lobes. Pilose 4-valved capsule to 4mm diameter.