Biennials or perennials. Stems usually few to several from base, rarely simple, erect to decumbent, branched distally, (0.1–)0.5–3(–4) dm. Basal leaves rosulate; petiole (0.2–)1–7(–10) cm; blade deltate to ovate, (0.3–)0.7–2(–2.5) cm × (2–)5–20 mm, base cuneate or truncate, margins entire, repand, or obscurely dentate, apex obtuse. Cauline leaves petiolate (shortly petiolate or sessile distally); blade 0.4–2 cm × 1–15 mm, base cuneate (not auriculate), margins entire, repand, or slightly dentate, apex acute. Racemes many-flowered. Fruiting pedicels divaricate to ascending, rarely erect, (2–)5–15(–20) mm. Flowers: sepals ovate or oblong, 1–2(–3) × 0.5–1.5 mm; petals oblanceolate to spatulate, 2–4(–5) × (0.5–)0.8–2(–3) mm; filaments 1–2(–2.5) mm; anthers 0.2–0.3 mm. Fruits ovoid to ellipsoid or obovoid, 3–6(–7) × 2–4(–5) mm, terete or slightly angustiseptate; valves usually not or obscurely reticulate, rarely distinctly so; septum complete or fenestrate; ovules 8–14 per ovary; style 0.1–0.4 mm. Seeds brown, ovoid to subglobose, 1–1.5 × 0.8–1.3 mm, papillate. 2n = 14.
