美洲防风,别名芹菜萝卜、蒲芹萝卜,为伞形花科欧防风属二年生草本。原产欧洲和西亚。古希腊时代已有栽培,以欧、美国家种植较多。我国从欧、美引进,已有近百年的栽培历史,但面积很少。美洲防风的食用部分是其肥大的肉质根,长圆锥形,近似胡萝卜,皮浅黄色,肉白色。嫩叶也可食,或 American windbreak, alias celery radish, Pa Qin radish, is a bracteate flower is a biennial herb. Native Europe and West Asia. Ancient Greece has been cultivated to Europe, the United States more home to grow. China imported from Europe and the United States, nearly a hundred years of cultivation history, but the area is small. The food part of the American windbreak is its hypertrophic fleshy root, long conical, approximately carrot, skin pale yellow, meat white. Young leaves are also edible, or