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.
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A herb. It take 2 years to complete its lifecycle. It has a taproot.
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