Herbs perennial, (5-)12-30(-35) cm tall, glabrous or sparsely to densely pilose. Rhizomes slender, with several bulbils and stolons; bulbils with fleshy, white, scaly leaves apically with rudimentary appendages. Stems somewhat decumbent and slender below, simple. Rhizomal leaves glabrous or pilose, compound; petiole (0.7-)2-15(-20) cm; terminal leaflet with a petiolule 3-10 mm, blade undivided and suborbicular, oblanceolate, or linear, or trifid and suborbicular or broadly obovate in outline and with obovate or oblong lobes the basal pair of which sometimes with a tiny lobule, terminal lobe 0.6-2(-3) cm × 2-5 mm; lateral leaflets 2-5 pairs, sessile or petiolulate, similar in shape and division to terminal lobe but smaller. Cauline leaves 1-4; petiole (0.3-)1-3(-4) cm, not auriculate at base; terminal and lateral leaflets similar in shape, size, and number to those of basal leaves. Racemes 2-14-flowered. Fruiting pedicels (5-)1-2.5 cm, ascending to suberect, glabrous. Sepals broadly ovate, 2.5-5 × 1.5-2.5 mm, glabrous, broadly membranous at margin and apex, base of lateral pair subsaccate. Petals purple with darker veins, broadly obovate, 0.8-1.2(-1.4) cm × 5-8(-8.5) mm, not clawed, apex rounded. Median filament pairs (3.5-)4.5-6 mm, lateral pair 2.5-4 mm; anthers narrowly oblong, 1.4-2 mm. Ovules 14-20 per ovary. Fruit linear, 2.5-3.5 cm × 1.2-1.5 mm; valves glabrous; style 1-3 mm. Seeds brown, ovate, ca. 1.5 × 1 mm, wingless. Fl. Jun-Jul, fr. Aug-Sep.
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A cabbage family herb. It is an annual plant. It grows to about 30 cm high. The leaves are divided. The leaflets do not have a stalk. The flowers are white and in groups. The fruit is a narrow pod.
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