Herbs perennial, 11-35 cm tall, sparsely pilose or glabrous. Rhizomes stout, often without stolons. Stems erect, simple or sometimes 1-or 2-branched above, not flexuous. Basal leaves trifoliolate or simple; petiole 2-17 cm; terminal leaflet or leaf blade suborbicular or rarely ovate-orbicular or reniform-orbicular, 0.6-3.5 × 1-5 cm, base cordate or rarely subtruncate, margin crenate or rarely repand-crenate; petiolule of terminal leaflet 0.7-1.4 cm, that of lateral leaflets much shorter; lateral leaflets similar to terminal but much smaller. Cauline leaves 3(or 5)-foliolate; petiole 1.3-3.5 cm, base not auriculate; terminal leaflet ovate-orbicular or subreniform, 1.5-3 × 1-3.2 cm, with a petiolule to 6 mm, margin crenate or crenate-repand; lateral leaflets similar to terminal one, shortly petiolulate or subsessile. Fruiting pedicels divaricate to divaricate-ascending, 0.6-1.5 cm, slender. Sepals oblong, 2-2.8 × 0.8-1.2 mm, base not saccate. Petals white, spatulate, 4-6 × 1.5-2.5 mm, apex rounded. Median filament pairs 2.5-4 mm, lateral pair 1.5-2.5 mm; anthers oblong, 0.5-0.7 mm. Ovules 24-30 per ovary. Fruit linear, 2-4 cm × 1-1.5 mm; valves smooth, glabrous; style 1-3 mm. Seeds brown, oblong, 1.2-2 × 0.8-1.3 mm, wingless. Fl. and fr. Mar-May.
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