Annuals, glabrous throughout, 15-20 cm tall. Stems branched, flexuous. Basal leaves trifoliolate; petiole ca. 3 cm; terminal leaflet ovate or subcordate, 1-2 cm, unequally coarsely crenate, apex emarginate and mucronulate; lateral leaflets smaller and with shorter petiolules, obliquely ovate; middle cauline leaves ca. 1 cm, trifoliolate, with ovate terminal leaflet and much smaller lateral leaflets; uppermost leaves simple. Racemes lax, 8-10-flowered, bracteate to apex. Lowermost pedicels to 1.5 cm. Sepals oblong-ovate, ca. 2 mm. Petals white or pink, ca. 3 mm, ovate, cuneate at base, rounded at apex. Stamens 2-2.5 cm; anthers oblong, ca. 0.5 mm. Pistil narrowly cylindric; ovary 8-ovuled; style ca. 0.7 mm. Immature fruit ellipsoid, ca. 1.5 mm; valves minutely papillate. Fl. Apr.
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