Herbs perennial, 3-20 cm tall, with a branched caudex covered with leaf remains of previous years, sparsely to moderately pilose, with simple and stalked forked trichomes. Stems erect, 1 or few from caudex. Basal leaves rosulate; petiole (0.5-)1.5-5 cm; leaf blade spatulate or oblanceolate, (0.5-)1.5-5 × (0.3-)0.7-1.5 cm, pilose throughout or only along margins and midvein, base attenuate, margin entire or denticulate, apex rounded. Cauline leaves 1-3, sessile, sometimes absent; leaf blade oblong, oblanceolate, spatulate, or obovate, 1-4 × 0.5-1.5 cm, base cuneate, margins entire or few toothed. Racemes bracteate throughout; bracts similar to cauline leaves but progressively smaller upward. Fruiting pedicels (0.3-)0.7-2(-2.5) cm, divaricate to divaricate-ascending, straight or slightly recurved. Sepals spreading, light purple, oblong-ovate, 4-7 × 1.5-2.5 mm, lateral pair saccate. Petals purple, spatulate or narrowly obovate, 0.7-1.5 cm × 3-6 mm, apex rounded. Filaments 4-11 mm; anthers oblong, 1-1.3 mm. Ovules 28-40 per ovary. Fruit 2.5-5.5 cm × 1.5-2 mm; valves glabrous, with a prominent midvein extending full length; style slender, 1-3 mm. Seeds dark brown, ovate, 1.2-1.5 × 0.9-1 mm, wingless. Fl. Jun-Jul, fr. Jul-Aug.
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