Annual or biennial, (20-)30-120 cm tall, erect, branched, usually somewhat hispid below with simple, deflexed hairs, rarely glabrous. Basal and lower leaves lyrate-pinnatipartite, stalked; terminal lobe elongated, triangular to hastate; lateral lobes 2-4 paired, narrower; all lobes dentate; upper leaves ± similar but smaller, short-stalked to subsessile. Racemes 50-100-flowered, up to 30(-40) cm long in fruit. Flowers mediocre, 6-8 mm across, bright yellow; pedicels (6-) 8-12(-15) mm long in fruit, ascending,± upcurved, hardly or not thickened. Sepals 3-4 mm long. Petals 5-7 mm long, (2-)3-3.5 mm broad. Stamens 3-3.5: 4-4.5 mm long; anthers c. 1.5 mm long. Siliquae (15-)20-40(-50) mm long, 1 mm broad, linear-subcylindrical, erect, slightly upcruved; valves submembranous, slightly torulose, convex, 3-veined; style inconspicuous, c. 0.5(-1) mm long with subbilobed depressed stigma. septum hyaline; seeds (15-)25-30 in each locule, c. 1 mm long, oblong-ellipsoid, brown, somewhat papillose; radicle incumbent or oblique.