Herbs perennial, 15-40 cm tall, often densely tomentose or pilose, with primarily short-stalked, stellate trichomes, these sometimes mixed with much fewer, simple or forked ones, rarely plants glabrescent and trichomes restricted primarily to leaf margins. Stems erect, often branched at base. Basal leaves rosulate; petiole 0.5-5 cm; leaf blade obovate-spatulate, oblong, elliptic, or oblanceolate, 1.5-5 × 0.5-1.5 cm, base attenuate, margin dentate or entire, apex obtuse or rounded. Middle cauline leaves sessile, oblong-linear, narrowly elliptic, or narrowly lanceolate, 1-4(-5.5) cm × 2-8 mm, base obtuse or auriculate, margin dentate or entire. Racemes ebracteate. Fruiting pedicels divaricate or ascending, (0.8-)1.2-2.4(-3) cm, slender, straight, glabrous. Sepals oblong, 3.5-5 × 1.2-1.8 mm, glabrous, lateral pair saccate. Petals white or pinkish, oblong or narrowly oblanceolate, 0.9-1.4 cm × 2-4 mm, apex obtuse. Filaments 5-8 mm; anthers oblong, 1-1.5 mm. Ovules 40-70 per ovary. Fruit 3-6 cm × 1-1.2 mm; valves with a prominent midvein extending full length, slightly torulose, glabrous; style 1-1.5 mm. Seeds brown, oblong, ca. 1.2 × 0.5 mm, uniseriate, narrowly winged apically. Fl. Apr-Jun, fr. May-Jul.
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