Moricandia arvensis, the purple mistress, is a species of flowering plant in the family Brassicaceae. It has a broadly western Mediterranean distribution, from the Canary Islands to northern Africa including Mauritania and Chad, the Iberian Peninsula, Italy and as far as Greece, and has been introduced to France, Corsica, and Sardinia. It has an intermediate C3–C4 carbon fixation system, known as C2 photosynthesis. Source: Wikipedia (en)