Annuals 3-4 cm tall. Stems purple, ascending, few branched from base, glabrous. Basal leaves with petiole 0.7-1 mm; leaf blade ovate, 4-6 × 3-4 mm, margin hirsute, apex acute and apiculate, veins 1-3. Stem leaves widely spaced, shorter than internodes; petiole tube 0.5-0.7 mm; leaf blade ovate, 2.5-3.5 × 2-3 mm, margin hirsute, apex acute and apiculate, midvein distinct. Flowers few to many. Pedicel purple, 5-10 mm, glabrous. Calyx purple, narrowly obconic, 4-5 mm, coarsely papillate; lobes filiform to filiform-subulate, 1.5-2 mm, margin hirsute, apex acuminate, midvein distinct. Corolla purple, with numerous blackish short lines in throat, obconic, 9-10 mm; lobes 1.2-1.5 mm, ovate, margin entire, apex obtuse; plicae triangular to broadly ovate, 1-1.2 mm, margin entire or denticulate, apex obtuse. Stamens inserted just above to middle of corolla tube, equal; filaments 1-1.2 mm; anthers ellipsoid, 0.8-1 mm. Ovary ellipsoid, 1.5-2 mm; gynophore ca. 1.5 mm. Style 0.8-1 mm; stigma lobes narrowly oblong. Fl. Aug.

* Grassland slopes; ca. 4000 m. W Sichuan.