Annuals 3-5 cm tall. Stems erect, short branched from base, densely hirsute. Basal leaves withered at anthesis; petiole 0.5-1 mm; leaf blade ovate-orbicular, 7-12 × 5.5-9 mm, abaxially hirsute and glabrescent, adaxially glabrous, margin strongly ciliate, apex rounded, veins 1-3. Stem leaves crowded to widely spaced, shorter than internodes; petiole 0.5-0.7 mm, entirely connate, densely hirsute; leaf blade broadly ovate to ovate-orbicular, 5-8 × 4-6 mm, abaxially hirsute and glabrescent, adaxially glabrous, margin strongly ciliate, apex rounded and caudate, midvein distinct. Flowers few to many. Pedicel purple, 2-4 mm, surrounded by upper leaves, densely hirsute. Calyx tubular, 1-1.2 cm, outside hirsute; lobes ovate-lanceolate, 3-3.5 mm, margin strongly ciliate and sometimes narrowly membranous, apex acuminate and caudate, midvein distinct. Corolla greenish yellow or inside sometimes pale blue, tubular, 1.8-2.1 cm, outside puberulent and glabrescent; lobes ovate-lanceolate, 4-4.5 mm, margin entire, apex acute and caudate; plicae broadly ovate, 1.2-1.5 mm, margin entire or denticulate, apex rounded. Stamens inserted at middle of corolla tube, unequal; filaments 3.5-6.5 mm; anthers ellipsoid, 1-1.2 mm. Style 1-1.5 mm; stigma lobes oblong. Capsules narrowly ellipsoid, 7-8 mm; gynophore ca. 4 mm. Seeds brown, triquetrous-ellipsoid, 1-1.2 mm. Fl. and fr. Apr-May.

* Scrub, forests; 2600-3300 m. NW Yunnan.