牛蒡(bàng)是菊科、牛蒡属 ,二或三年生、草本,根菜类蔬菜,以肉质直很、叶柄和嫩叶供食用.牛蒡原产于亚洲,我国自古以来南北各地均有分布.最初以种子作药材;唐宋时期采食根、叶人蔬;明代已少食用,及至现代,台湾以及上海、北京、沈阳、石家庄、郑州等大城市都有栽培.人们以其形态特征、食用功能及地域标识等因素,结合运用比喻和字形变化等手法,先后给它命名了一二十种不 Burdock is Compositae, burdock genus, two or three years, herbs, root vegetables, with meat straight, petiole and leaves for consumption. Burdock originating in Asia, China since ancient times have been distributed throughout the north and south. The seeds are used as herbs; the roots and leaves are taken in the Tang and Song dynasties; the vegetables and fruits in the Tang and Song dynasties are eaten less; the Ming Dynasty has fewer edible plants and cultivars in modern cities such as Taiwan, Shanghai, Beijing, Shenyang, Shijiazhuang, and Zhengzhou etc. With its morphological characteristics, And geographical indications and other factors, combined with the use of metaphors and glyphs and other practices, it has given it a dozen do not