Annual or biennial, 30-90 cm tall, erect, branched above,± hispid below with simple ciliate hairs, sometimes subglabrous. Leaves resembling closely with the previous species but terminal lobe much longer and broader than the lateral, 2-3 pairs of lobes, shortly toothed, stalked. Racemes 30-45-flowered, up to 25 cm long in fruit; young fruits conspicuously overtopping the flowers. Flowers very small, c. 3 mm across, pale yellow; pedicels 7-15 mm long in fruit, not thickened, spreading. Sepals 3-4 mm long. Petals 4-5 mm long, 1-1.5 mm broad. Stamens c. 3: 4 mm long; anthers c. 1 mm long. Siliquae linear-subcylindrical, 60-80 mm long, 1 mm broad, glabrous; valves covex, 3-veined; style inconspicuous, c. 0.5 mm long with depressed capitate stigma; seeds many, c. 1 mm long, oblong-ellipsoid, finely granulated.