Perennials; (caudex often thick, not aboveground, covered with persistent petiolar remains); puberulent. Stems several from base (caudex), ascending, branched distally, (1-)1.5-3.5(-4) dm. Basal leaves rosulate; petiole (0.5-)1.5-6(-7.5) cm; blade oblanceolate to obovate, (1.5-)2.5-7(-9) cm × (10-) 15-25 mm, margins usually entire, rarely denticulate subapically. Cauline leaves shortly petiolate or sessile; blade narrowly lanceolate to broadly oblanceolate, 1-5 cm × 2-9(-12) mm, base cuneate, not auriculate, margins usually entire, rarely denticulate subapically. Racemes elongated in fruit; rachis puberulent, trichomes straight, sometimes clavate. Fruiting pedicels divaricate-ascending to horizontal, straight, (not winged), (4-) 5-10 × 0.3-0.5 mm, puberulent adaxially. Flowers: sepals oblong-obovate, (1.5-)1.8-2.5 × 0.8-1.3 mm; petals white, obovate, (2.3)2.5-3.6(-4) × 1.5-2.2 mm, claw 0.5-1 mm; stamens (2 or) 4 (or 6), median and lateral when 4, (erect); filaments 1.7-2.5 mm, (glabrous); anthers 0.5-0.8 mm. Fruits ovate, (3-)3.2-4(-4.4) × 2-3.5 mm, apically winged, apical notch 0.1-0.3 mm deep; valves thin, smooth, not veined, glabrous; style 0.5-0.8(-1) mm, exserted beyond apical notch. Seeds ovate, 1.8-2 × 0.9-1.1 mm.
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