Annuals 4-10 cm tall. Stems ascending, mostly branched from base, sparsely papillate. Basal leaves poorly developed, withered at anthesis; petiole 1-1.5 mm, densely papillate; leaf blade ovate, 5-7 × 3-3.5 mm, base narrowed, margin cartilaginous and ciliolate, apex acute and cuspidate, midvein prominent. Stem leaves widely spaced, recurved; petiole tube 1-1.5 mm, papillate; leaf blade spatulate to obovate, 3-6 × 1.5-2 mm, shorter than internodes, fleshy, base narrowed, margin cartilaginous and ciliolate, apex rounded and mucronate, midvein prominent. Flowers subsessile. Calyx 0.7-1.3 cm, narrowly obconic; lobes recurved, ovate-orbicular, 2.5-4 mm, base rounded and contracted, margin cartilaginous and ciliolate, apex rounded and mucronate, midvein prominent. Corolla blue-purple, tubular, 1.2-1.5 cm; lobes ovate, 2-2.5 mm, margin entire, apex obtuse; plicae ovate, 1-1.2 mm, margin entire or 2cleft, apex obtuse. Stamens inserted at middle of corolla tube, slightly unequal; filaments 1.2-2.5 mm; anthers ellipsoid, 0.5-0.7 mm. Style 1-1.5 mm; stigma lobes oblong. Capsules narrowly obovoid to obovoid, 6-8 mm; gynophore 0.5-2.2 cm, stout. Seeds light brown, ellipsoid, 1-1.2 mm. Fl. and fr. Jul-Aug.
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