中药大蓟茎的显微鉴别研究

Microscopical Study on the Stems of Chinese Crude Drugs Daji

中药大蓟中日本蓟CirsiumjaponicumFisch.exDC.和中国蓟C.chinenseGardn.etChamp.茎的显微特征，可依据气孔、导管、纤维的类型及分泌道、管胞的有无鉴别。

Histological characters of stems of Cirsium japonicum Fisch. ex DC. and C.chinense Gardn. et Champ. were described, compared and illustrated with line drawings. It was found that the following characters are important for disting uishing the two plants;(1) the type of stomata, vessels or fibres; (2) the presence or absence of secretory canal or tracheids.