Annuals 3-10 cm tall. Stems prostrate to ascending, angular, much branched from base, rarely simple, papillate. Basal leaves subsessile, spatulate, 5-10 × 2-5 mm, base cuneate, margin ciliate, apex obtuse. Stem leaves sessile, ovate, (3-)5-11 × (1-)3-7 mm, base, margin, and apex as in basal leaves. Inflorescences (1-)3-flowered, racemelike. Pedicel purple, 1-4 cm, papillate. Calyx tube ca. 1 mm; lobes ovate-elliptic to ovate, 3.5-6.5 mm, margin ciliate, apex subrounded, veins 3. Corolla blue, tube 1-1.5 mm; lobes elliptic-lanceolate to elliptic, 5.5-9 × 4-5 mm, apex acute, densely papillate. Nectaries pale blue, with dark blue spots, narrowly elliptic, 4-6 mm, margin entire or apex 2cleft. Filaments 3-5 mm; anthers blue, ellipsoid, 1-1.2 mm. Capsules sessile, ovoid-ellipsoid, 0.9-1.2 cm. Seeds light brown, subglobose, 0.8-1 mm in diam.; seed coat smooth. Fl. and fr. Aug-Sep.
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