Herbs perennial, (4-)8-18 cm tall, scapose, glabrous throughout. Rhizomes slender, with slender stolons. Stems leafless, erect, simple. Rhizomal leaves simple; petiole (1-)2-9(-12) cm; leaf blade reniform or suborbicular, (0.3-)0.6-1.7(-2) × (0.5-)1-2.5(-3) cm, base cordate, margin repand-crenate or entire. Cauline leaves absent. Racemes terminal, 2-7(-10)-flowered. Fruiting pedicels erect or erect-ascending, 1-4 cm, proximal longest. Sepals ovate or oblong, 3-4 × 1.5-2.2 mm, margin membranous, lateral pair subsaccate. Petals white, broadly obovate, (0.8-)0.9-1.3 cm × 5-7 mm, cuneate into a clawlike base to 2 mm, apex rounded or subemarginate. Median filament pairs 4.5-8 mm, slightly dilated at base; lateral pair 2.5-4.5 mm; anthers narrowly oblong, 1.5-1.8 mm. Ovules 8-14 per ovary. Fruit linear, 2-3.5 cm × 1.2-1.7 mm; valves glabrous, smooth; style 3-7.5 mm. Seeds brown, oblong, 2-3 × 1-1.5 mm, wingless. Fl. Apr-Jun, fr. Jun-Jul.
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