Herbs perennial, 7-25 cm tall, with slender, often unbranched caudex, eglandular, glabrous throughout or rarely sparsely shortly pilose on sepals. Basal leaves rosulate; petiole 0.5-3 cm, glabrous, not expanded at base; leaf blade broadly oblanceolate, linear-lanceolate, or oblong, 2-7 cm × 3-15 mm, glabrous, base cuneate or attenuate, margin pinnatipartite, with up to 8 oblong or ovate lobes, or sinuate-dentate, apex obtuse. Cauline leaves few, similar to basal ones but much smaller. Flowers in racemes. Fruiting pedicels (1.7-)2-3.5(-5.5) cm, glabrous. Sepals purplish, oblong, 5-6(-7) × ca. 2 mm. Petals purple, broadly obovate or obcordate, 1.2-1.8 cm × 5-6 mm, emarginate at apex; claw 6-8 mm. Filaments 5-7.5 mm; anthers narrowly oblong, 2.5-3 mm. Fruit linear-cylindric, 2.5-4 cm × 2-3 mm, corky, strongly torulose, with 7-12 constrictions on each side, glabrous; style 5-9 mm. Seeds brown, oblong, 1.3-1.6 × 1-1.2 mm. Fl. and fr. Jun-Jul.
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