Studies on the Pollen Morphology of Three Species of Echinacea Moench / 中草药

The pollen morphology of 3 species of the Echinacea Moench. from China and other coun-tries was examined under LM and SEM. 3 species were palynologically reported here for the first time. Theresults showed that the pollen morphology of the Echinacea species mentioned above was basically consis-tent, but some differences in pollen size, aperture and exine sculpture were found.