Erect to decumbent perennial herb. Leaves 9-10 times as long as broad, linear to narrowly lanceolate. Corolla lobes spreading with tips curving up; scabrous to pubescent outside, canescent inside. Corona lobes erect, shorter than to slightly exceeding staminal column, cucullate part of corona lobes ± as long as broad. Flowers purple, off-white, white or mauve to grey.
A slender herb. It has 1-3 annual stems. It grows 35 cm tall. These grow from a fleshy rootstock. The stems have milky sap. The leaves are opposite and do not have stalks. They are narrow and 10 cm long. They have short stiff hairs on both surfaces. The edges are rolled under. The flowers are in groups of 3-6 near the ends of stems.