Annuals 3-5 cm tall. Stems purple, ascending to erect, branched from base, basally glabrous, apically papillate. Basal leaves withered at anthesis; petiole 2-3 mm; leaf blade obovate, 7-11 × 5-6.5 mm, margin cartilaginous, apex rounded and mucronate, midvein prominent. Stem leaves folded; petiole tube 2-2.5 mm; leaf blade linear, 4-7 × 1.5-2.5 mm, longer toward apex, margin narrowly membranous and smooth, apex acuminate and awned, midvein abaxially prominent. Flowers few. Pedicel purple, 2-5.5 mm, surrounded by leaves, papillate. Calyx obconic, 7-8 mm; lobes triangular to lanceolate, 2.5-3 mm, margin narrowly membranous and smooth, apex acute and awned, midvein prominent. Corolla pale blue to blue, with yellow-green base, tubular, 1.1-1.3 cm; lobes ovate-elliptic to ovate, 1.2-2 mm, margin entire, apex obtuse and sometimes mucronate; plicae ovate, 1.5-2 mm, margin entire or denticulate, apex obtuse. Stamens inserted at middle of corolla tube, equal; filaments 4-5 mm; anthers curved, ellipsoid, 1-1.5 mm. Style 1.5-2 mm; stigma lobes oblong. Capsules narrowly obovoid to obovoid, 5-7 mm; gynophore to 1.5 cm, stout. Seeds dark brown, ellipsoid, 1.1-1.4 mm. Fl. and fr. Jun-Aug.
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