Perennials; (rhizomatous); glabrous throughout. Stems (simple from base), erect, branched distally, 1-4 dm. Basal leaves rosulate; [petiole (1.5-)3-7.7(-12) cm]; blade [(2.5-)4-14(-22) cm × (10-) 20-40(-70) mm], margins dentate to crenate. Cauline leaves petiolate or subsessile; blade ovate to lanceolate, 2.5-7 cm × 4-13 mm (smaller distally), base cuneate, not auriculate, margins dentate. Racemes elongated. Fruiting pedicels divaricate to horizontal, straight, 12-20(-26) mm. Flowers: sepals (deciduous after anthesis), erect, oblong, 4-5 × 1-1.5 mm; petals whitish, oblanceolate, 6-8 × 2.5-3 mm; median filaments 3-4.2 mm; anthers oblong, 0.8-1.2 mm. Fruits siliques, straight or slightly curved, linear, 14-26 × 2-2.8 mm; ovules 28-40 per ovary; style 0.3-1 mm. Seeds uniseriate, brown, ovoid, 1.6-2 mm (1.2-1.5 mm diam.), colliculate. 2n = 32.
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