The results showed that Echinacea is capitulum,discal flower is dark-violet and liguliform,its calyx is 4,its pedicel has non-glandular hair and main root is cylindrical.

• 结果表明:淡紫松果头状花序,盘心花黑紫色,盘边舌状花,花萼4轮,花梗有棱样突起,数多,上面密被有非腺毛,气微味淡;