Herbs perennial, (10-)15-45(-53) cm tall, eglandular, tomentose throughout, with finely branched dendritic trichomes; caudex simple or branched. Stems erect, branched from caudex, sometimes also above. Basal leaves subrosulate; petiole (0.5-)1-3(-5) cm; leaf blade ovate, narrowly oblong, or elliptic, (1-)2-4.5(-6) × (0.3-)0.5-1.8(-2.4) cm, base cuneate, margin entire, repand, or coarsely dentate, rarely sinuate or pinnatifid, apex acute or obtuse. Cauline leaves few to many, similar to basal, uppermost much narrower and subsessile. Fruiting pedicels (1-)2-6(-10) mm, stout or slender, divaricate or ascending. Sepals linear, 8-12 × 1-1.5, tomentose. Petals greenish, brown, or purplish; limb linear, circinately involute, crisped, 0.9-1.4 cm × 1.2-1.5 mm, apex obtuse; claw flattened, 0.8-1.2 cm. Median filament pairs 6-8 mm, lateral pair 3-4 mm; anthers linear, ca. 2.5 mm. Fruit narrowly linear, (6-)7-11 cm × (1.5-) 1.8-2.7 mm, flattened, torulose; valves tomentose, with a prominent midvein; style obsolete or to 1 mm; stigma conical, lobes broad. Seeds 2-2.5 × 1.7-2 mm; wing ca. 0.5 mm. Fl. Jun-Jul, fr. Jul-Aug. 2n = 12.
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