Herbs (12-)20-60(-110) cm tall, glabrous or sparsely pilose on upper parts; rhizomes not fleshy. Stems erect, simple, often a few from base, rarely branched upward. Basal leaves rosulate; petiole 2-25(-35) cm, dilated at base; leaf blade cordate or reniform, (1-)3-10(-20) × (1.5-)3-10(-20) cm, base cordate, margin dentate, denticulate, repand, or subentire, with distinct apiculate callosities terminating ultimate veins, apex rounded or obtuse. Middle cauline leaves with petioles (0.5-)1-3(-5) cm; leaf blade broadly ovate to ovate-cordate, (1-)2-5(-7) × (0.6-)1-4(-5) cm, palmately veined, base and margin as in basal leaves, apex acute. Infructescence lax raceme, ebracteate or rarely lowermost 1-3 flowers bracteate. Fruiting pedicels reflexed or spreading, slender, 0.6-1.5(-2.5) cm. Sepals ovate, 1.5-2 × 1-1.2 mm, caducous. Petals white, oblong-spatulate, 3.5-5(-6) × 1.5-2.5 mm. Filaments white, 1.5-2 mm; anthers ovate, 0.4-0.5 mm. Ovules 6-10 per ovary. Fruit linear or rarely oblong, (0.5-)0.8-1.5(-2.5) cm × 1.5-2 mm, terete, torulose; valves with an obscure midvein; gynophore absent or obsolete; septum usually complete; style 1-2 mm. Seeds oblong, plump, 2-3 × 1-1.5 mm. Fl. Mar-May, fr. Apr-Jun.
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