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；