Barbarea (winter cress or yellow rocket) is a genus of about 22 species of flowering plants in the family Brassicaceae, native to temperate regions of the Northern Hemisphere, with the highest species diversity in southern Europe and southwest Asia.

They are small, herbaceous, biennial or perennial plants with dark green, deeply lobed leaves and yellow flowers with four petals.

They grow into rosettes of edible cress foliage that resemble dandelion leaves.

[1][additional citation(s) needed] Winter cress contains different glucosinolates, flavonoids, and saponins.

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