Annuals 15-20 cm tall. Stems prostrate to ascending, angular, much branched from base; branches slender, glabrous. Leaves sessile, linear, 1-1.6 cm × 1-3 mm, base obtuse, apex acuminate. Inflorescences racemelike, few to many flowered. Flowers 5merous. Pedicel spreading, (0.5-)2-4 (-6) cm, slender, glabrous. Calyx tube 2-3 mm; lobes linear, 5-7 mm, apex acuminate. Corolla blue-gray, 0.8-1.2 cm in diam., tube 2-3 mm; lobes ovate, 6-11 mm, apex acuminate. Nectaries lamellate, margin lobed. Filaments 5-6 mm; anthers blue, ellipsoid, 1.5-2 mm. Ovary narrowly ovoid-ellipsoid, 0.9-1.1 cm, apex acuminate. Stigma lobes decurrent to apical part of ovary. Fl. Sep.
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