Brassica juncea is in the cabbage family Brassicaceae. Commonly known as mustard greens, it is used

Brassica juncea is in the cabbage family Brassicaceae. Commonly known as mustard greens, it is used widely in cuisine across the world, with an emphasis of use in middle eastern and Asian dishes. The leaves, stems and seeds of mustard are edible; the leaves and stems are usually sauteed while the seeds are pressed to produce canola oil and brown mustard. Aside from its culinary uses, mustard also has potential for use in phytoremediation, and has been shown to accumulate high levels of heavy metals including lead.