Brassica rapa is a plant consisting of various widely cultivated species including the turnip (a root vegetable); napa cabbage, bomdong, bok choy, and rapini (leaf vegetables); and Brassica rapa subsp. oleifera, an oilseed which has many common names, including turnip rape, field mustard, bird rape, and keblock.[1][2][3][4][5][6]