Eupatorium.
Botanical name:
Classic texts: USDisp 1918.
Classic texts: USDisp 1918.
Eupatorium collinum DC.
Span.: flor de cedazo, vara blanca.
Bot. syn.: Chromolaena collina (DC.) R. M. King & H. Rob.
Henriette's herbal is one of the oldest and largest herbal medicine sites on the net. It's been online since 1995, and is run by Henriette Kress, a herbalist in Helsinki, Finland.