Sometimes scambling perennial herb or subshrub to 2m with hairy stems. Hairy leaves to 155mm x 55mm, Axillary 1-8 flowered cymes with bracteoles to 22mm x 12mm, green calyx with lobes to 30mm x 19mm, white, pale blue or pale purple corolla to 43mm long with tube to 23mm long & lobes to 22mm x 18mm. Glabrous capsule to 15mm long.