Herbs perennial, (1-)2-11(-18) cm tall; caudex covered with petiolar bases of previous years. Stems erect or ascending, branched from base, minutely puberulent with simple or short-stalked trichomes less than 0.1 mm, rarely glabrous. Basal leaves rosulate, subfleshy; petioles persistent, 0.2-2(-5) cm, base broadly expanded and to 3 mm wide; leaf blade spatulate, oblanceolate, linear, oblong, or elliptic, rarely ovate, (0.2-)0.5-2(-3) cm × 0.5-3(-5) mm, glabrous, base cuneate or attenuate, margin entire, apex obtuse or acute. Cauline leaves and bracts similar to basal leaves but narrower and sessile or shortly petiolate, reduced in size upward. Racemes somewhat elongated in fruit. Fruiting pedicels erect or ascending, (1.5-)2-10(-20) mm, puberulent adaxially, glabrous abaxially. Sepals often purplish, 1.5-2.5 × 1.2-1.5 mm, glabrous. Petals deep purple or white, broadly obovate or spatulate, 3.5-5(-6) × 1.5-3(-4) mm, apex rounded; claw 1-2.5 mm. Filaments 1.5-2.5 mm; anthers 0.3-0.6 mm. Ovules 10-16 per ovary. Fruit lanceolate or elliptic, 5-10 × 1.5-2 mm, compressed; valves obscurely veined, glabrous or rarely sparsely puberulent; gynophore to 0.7 mm; septum complete, hyaline; style 0.5-1(-2) mm. Seeds light brown, oblong, biseriate, 0.9-1.3 × 0.6-1 mm. Fl. May-Aug, fr. Jul-Sep.
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