Perennials or subshrubs; (caudex to 2 cm diam., woody base aboveground); puberulent. Stems several from base, erect to ascending, branched distally, (1.8-)3-6(-7) dm. Basal leaves not rosulate; petiole 1-3 cm; blade ovate to lanceolate, pinnatifid, 1-4.5 cm × 8-25 mm, margins (of lobes) entire. Cauline leaves shortly petiolate or sessile; blade lanceolate to oblanceolate, 1.8-3.5 cm × 3-10 mm (smaller distally), base cuneate, not auriculate, margins entire or coarsely serrate. Racemes (subcorymbose panicles), individual racemes slightly elongated; rachis puberulent, trichomes straight. Fruiting pedicels divaricate to horizontal, straight or slightly curved, (not winged), 4-7 × 0.2 mm, puberulent throughout. Flowers: sepals suborbicular to broadly ovate, 1.2-2 × 1.2-1.5 mm; petals white, suborbicular to obovate, 2-3.2 × 1.5-2 mm, claw 0.5-1 mm; stamens 6; filaments 1.4-1.7 mm, (glabrous); anthers 0.4-0.5 mm. Fruits often broadly obovate, 2-3.3 × 1.8-2.5 mm, apically winged, apical notch 0.1-0.2 mm deep; valves thin, smooth, not veined, glabrous; style 0.2-0.8 mm, exserted beyond apical notch. Seeds ovate, 1.4-1.6 × 0.8-1 mm.
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