Annuals 2-3 cm tall. Stems erect, simple, glabrous. Basal leaves with petiole 1-2 mm; leaf blade ovate to obovate, ca. 10 × 8 mm, margin thick herbaceous and ciliolate, apex rounded and mucronate, midvein prominent. Stem leaves petiolate; leaf blade dark green, oblong to orbicular, ca. 6 × 4-6 mm, margin thick herbaceous and ciliolate, apex obtuse, midvein distinct. Flowers subsessile. Calyx narrowly obconic, 7-8 mm; lobes ovate-oblong, 3-3.5 mm, equal, margin ciliolate, apex acuminate, midvein prominent. Corolla purple, campanulate, 1.6-1.8 cm; lobes ovate, 2.5-3 mm, margin entire, apex acuminate. Stamens inserted at basal part of corolla tube, equal; filaments 3-4 mm; anthers ellipsoid, 1.2-1.5 mm. Ovary narrowly obovoid, ca. 1.2 cm. Style 1-1.2 mm; stigma lobes linear.

* Cliffs near coast. Taiwan.