Annuals 3-8 cm tall. Stems purple, ascending to erect, weak, branched from base, glabrous. Leaf blade sparsely hirsute, margin long ciliate, apex obtuse, veins indistinct. Basal leaves withered at anthesis; petiole 0.5-1 mm; leaf blade ovate to ovate-orbicular, 5-6 × 3-3.5 mm. Stem leaves spreading to recurved; petiole 1.5-2 mm, entirely connate, purple hirsute; leaf blade ovate to ovate-triangular, 2.5-3 × 1.5-2 mm, much shorter than internodes. Flowers few. Pedicel purple, 6-12 mm, glabrous. Calyx narrowly obconic, 3.5-4 mm, outside sparsely hirsute; lobes spreading to recurved, lanceolate, 2-2.5 mm, sparsely hirsute, base narrowed, margin long ciliate, midvein indistinct, apex obtuse. Corolla pale blue-purple, with blackish lines in throat, funnelform, 8-10 mm; lobes ovate, 1.2-1.5 mm, margin denticulate, apex obtuse; plicae broadly ovate, 0.9-1.1 mm, margin entire or 2cleft, apex obtuse. Stamens inserted at apical part of corolla tube, equal; filaments 1.2-1.4 mm; anthers ellipsoid, 0.8-1 mm. Style 1-1.5 mm; stigma lobes oblong. Capsules narrowly obovoid, 4-4.5 mm; gynophore to 6 mm, stout. Seeds brown, narrowly ellipsoid, 1-1.2 mm. Fl. and fr. Aug.

* Grassland slopes; ca. 2900 m. W Sichuan.