Glabrous or pilose subshrub or vine with young branches grey-puberulent. Denticulate coriaceous leaves to 100mm x 50mm, glabrous & wrinkled above & puberulent or glabrate beneath. Solitary axillary green-yellow flowers suffused purple to 12mm wide with bracteoles, denticulate sepals to 10mm long, puberulent greenish corolla to 24mm long with purplish hairs, glabrous within, tube 15mm x 12mm, falcate lobes to 10mm long