Herbs perennial, (6-)10-28(-36) cm tall; caudex few branched, covered with petiolar remains of previous years. Trichomes malpighiaceous, rarely a few 3-fid ones on leaves adaxially. Stems single from base, leafy. Basal leaves rosulate; petiole (0.5-)1-4.5(-7) cm; leaf blade oblong, oblong-obovate, oblanceolate-linear, or linear, (0.6-)1.5-7(-10) cm × (1.5-)2.5-8(-10) mm, base attenuate, margin entire or denticulate, apex acute or obtuse. Upper cauline leaves subsessile, entire, similar to basal ones in size. Racemes corymbose, elongated in fruit, only lowermost flowers bracteate. Fruiting pedicels divaricate, (3-)4-10(-12) mm, stout, narrower than fruit, straight. Sepals oblong-linear, 6-9 × 1.5-2 mm, often persistent to early fruit maturity, lateral pair strongly saccate. Petals pink or purple, broadly obovate or broadly spatulate, (1.4-)1.6-2.2(-2.5) cm × (3-)4-6(-8) mm; claw longer than sepals. Filaments 6-8 mm; anthers oblong, 1.5-2.5 mm. Ovules 18-26 per ovary. Fruit linear or rarely linear-oblong, 4-angled, (1-)1.5-3(-4) cm × 2-2.5 mm, not torulose, slightly curved; valves not keeled, with a distinct midvein, outside with malpighiaceous trichomes, inside glabrous; style (0.5-)1-2 mm; stigma capitate, prominently 2-lobed. Seeds oblong, 1.5-2.5 × 0.8-1 mm, on slender funicles to 4 mm. Fl. May-Jul, fr. Jul-Sep.
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