Eutrochium purpureum (L.) E. E. Lamont
Common Name: GREEN-STEMMED JOE-PYE-WEED
Synonym: Eupatorium purpureum
Coefficient of Conservatism: 5
Coefficient of Wetness: 0
Wetness Index: FAC
Physiognomy: Nt P-Forb

Eupatorium purpureum of Michigan Flora.

Usually in ± shaded places, including floodplain and rich upland forests and borders; river and stream banks.

The heads, especially the involucres, are pale in this species, unlike the pink to deep rose-colored ones of the other two species.

Locations

Barry County
Berrien County
Branch County
Cass County
Eaton County
Genesee County
Hillsdale County
Ingham County
Jackson County
Kalamazoo County
Kent County
Lapeer County
Lenawee County
Macomb County
Newaygo County
Oakland County
St. Clair County
St. Joseph County
Tuscola County
Van Buren County
Washtenaw County
Wayne County

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. December 18, 2017. http://www.michiganflora.net/species.aspx?id=331.