Plants (3-)8-20(-25) cm tall, cespitose, glandular or eglandular, sparsely to densely pubescent with simple trichomes to 1.5 mm; caudex branched, covered with petiolar remains of previous years. Basal leaves rosulate; petiole broadened at base, ciliate or not, (0.5-)1-4(-6) cm; leaf blade lanceolate or linear in outline, all or at least some pinnatifid or pinnatisect and with 3-9 lobes on each side, 1.5-7 × (0.3-)0.6-2 cm, pubescent or glabrous, base cuneate or attenuate, apex acute; lateral lobes oblong, linear, or rarely ovate, 2-10 × 0.5-3 mm, entire. Cauline leaves absent. Racemes 2-10-flowered. Fruiting pedicels ascending or divaricate, glandular or eglandular, (0.4-)1-2.5 cm. Sepals purple, linear or linear-oblong, 6-10 × 1.5-3 mm, glabrous, pubescent, or glandular, white margined. Petals purple or lavender, rarely white, broadly obovate, (1.3-)1.5-2(-2.2) cm × 4-8 mm, apex emarginate; claw 0.8-1.2 cm. Filaments purple or white, median pairs 6-8 mm, lateral pair 3-5 mm; anthers linear, 3-4 mm. Ovules 16-40 per ovary. Fruit linear to linear-lanceolate, (2-)3-8(-10) cm × 2-2.5(-3) mm; valve margin flat; replum flattened; style (1.5-)2.5-6 mm; stigma 1-2 mm. Seeds broadly oblong, 3-5 × 2-3.5 mm, flattened, broadly winged; wing 0.5-1 mm wide. Fl. May-Jul, fr. Jul-Aug.
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