通过考证,大蓟和小蓟最初药用品种都是蓟属(Cirsium)植物,宋代还用了飞廉属(Cardus)植物。这两属多种植物沿用至今,其中商品原植物:大蓟应是日本蓟Cirsium japonicum,小蓟则含刺儿菜Cirsium segetum和刻叶刺儿菜C.setosum。 According to the research, the first medicinal species of Ogaki and Otaru were all Cirsium plants, and the Song Dynasty also used Cardus plants. These two kinds of plants are still in use today. Among them, the original plants are: Japanese quail (Cirsium japonicum) and Japanese pea (Cirsium segetum) and C. setosum.