Annuals 8-12 cm tall. Stems purple, ascending to erect, branched from base, densely papillate. Basal leaves withered at anthesis; petiole 1-2 mm; leaf blade ovate to orbicular, 6-9 × 4.5-5.5 mm, margin cartilaginous and ciliolate, apex obtuse to rounded and mucronate, midvein prominent. Stem leaves 4-7 pairs, widely spaced; petiole 5-8 mm; leaf blade spatulate, 4-6 × 1.5-2.5 mm, shorter than internodes, abaxially pubescent, adaxially glabrous, margin indistinctly cartilaginous and ciliate, apex triangular acute, midvein abaxially prominent. Flowers few. Pedicel purple, 8-10 mm, slightly elongated in fruit, densely papillate. Calyx narrowly obconic, 6-7 mm, densely pubescent but glabrescent; lobes narrowly triangular, 2.5-3.5 mm, margin narrowly membranous, apex acute, midvein prominent. Corolla purple, with blackish lines and spots in tube, funnelform, 1-1.2 cm; lobes ovate, 2-3 mm, margin entire, apex obtuse; plicae ovate, 1.5-2 mm, margin entire, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 4-5 mm; anthers ellipsoid, 0.5-0.8 mm. Style 1.5-2 mm; stigma lobes oblong. Capsules narrowly obovoid to obovoid, 4.5-5.5 mm; gynophore to 1.3 cm, stout. Seeds dark brown, broadly oblong, 1.2-1.5 mm. Fl. and fr. Aug-Sep.

* Hillsides, scrub on shady slopes; ca. 3300 m. S Gansu, N Sichuan.