Annuals 4-6 cm tall. Stems purple, ascending to erect, branched from base, densely papillate. Basal leaves withered at anthesis; petiole 0.5-1 mm; leaf blade spatulate to narrowly elliptic, 0.8-1.7 cm × 4-6 mm, densely and minutely papillate but especially adaxially, base obtuse, apex acuminate to obtuse and apiculate, midvein distinct. Stem leaves with petiole tube 1-2 mm, papillate; leaf blade linear-elliptic to lanceolate, 3.5-8 × 1-3 mm, densely and minutely papillate but especially adaxially, base obtuse, apex acuminate and apiculate, midvein distinct. Pedicel purple, 2-5 mm, densely papillate. Calyx tubular, 4.5-6 mm; lobes spreading, narrowly triangular to ovate, 1.5-2.5 mm, outside densely and minutely papillate, base not or slightly narrowed, apex acuminate to acute and cuspidate, midvein prominent. Corolla outside pale yellow-green, inside pale greenish blue, tubular, 7-9 mm, scarcely exserted from calyx; lobes ovate, 1.2-1.5 mm, margin entire, apex obtuse and mucronate; plicae ovate, 0.7-1 mm, margin entire, apex obtuse. Stamens inserted at basal part of corolla tube, equal; filaments 2-2.5 mm; anthers ellipsoid, 0.6-0.8 mm. Style 1-1.2 mm; stigma lobes narrowly oblong. Capsules narrowly obovoid to obovoid, 3.5-4 mm; gynophore to 5.5 mm, stout. Seeds dark brown, 0.5-0.6 mm, oblong. Fl. and fr. May.

* Hillsides; ca. 2100 m. W Yunnan.