人參主根呈紡錘形或圓柱形，表面灰黃色，上部或全部有淺而斷續的粗橫條紋和明顯的縱皺紋，下部有2-3個分支根，並有許多細長須根。
人參有蘆葦頭、樹枝和須根。沒有橫向疤痕。碎面粉，形成層環不明顯，有裂紋。
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/health . People . com . cn/n 1/2016/0524/c 404177-28375834 . html " target = " _ blank " title = "只能選擇壹個鏈接生效">人民網-人參和西洋參的區別