来源北方药店所采用的大小蓟,实仅为小蓟。产于田野间,棵小质嫩,俗名“刺儿菜”。性状鲜时茎高五、六寸至尺许,叶青绿色,长圆形,边缘有刺,开紫色或灰白色花。干后色灰绿,刺尖锐。一般认为以色要质嫩,花尚未开放的为好。 The size of the source used by northern pharmacies is only small. Produced in the fields, the tree is small and tender, the common name is “spicy children.” When the traits are fresh, the stem height is five to six inches to the feet. The leaves are greenish blue and oblong, with thorns on the edges and purple or grayish white flowers. After the dry color gray green, sharp sharp. It is generally believed that color should be tender and flowers should not be open yet.