Annuals, (5-)10-20(-35) cm tall, glabrous throughout except for papillate fruit valves. Stems slender, branched below or above. Basal and lowermost cauline leaves 3-foliolate; petiole 0.2-3 cm, not winged; terminal leaflet ovate or suborbicular, 0.7-1.5(-2) cm × 4-10 mm, base cuneate or subcordate, margin lobed, without apiculate callosities, apex truncate or emarginate; lateral leaflets obliquely ovate, 2.3-11 × 1.2-8 mm, margin lobed or crenate; uppermost leaves simple, gradually smaller upward. Racemes several to many flowered, ebracteate; rachis slender, only somewhat flexuous. Fruiting pedicels slender, horizontal or slightly reflexed, (3-)6-10 mm, straight or slightly recurved, glabrous. Sepals oblong, 0.9-1.2 × 0.5-0.6 mm, glabrous. Petals white, obovate, 1.8-2.1 × 0.9-1.3 mm, base shortly clawed, apex rounded. Filaments 0.7-0.9(-1.3) mm; anthers oblong-ovate, 0.2-0.4 mm. Fruit suborbicular, 1.5-2.5 mm in diam., plump; valves densely papillate, appearing minutely papillate or subglabrous when young; style 0.2-0.5 mm. Seeds 2 per fruit, brown, broadly ovate to ovate-oblong, 1.2-1.5 × 0.8-1.1 mm, minutely papillate. Fl. and fr. May-Aug.
Home