Caulophyllum giganteum (Farw.) Loconte & W. H. Blackw.
Common Name: GIANT BLUE COHOSH
Synonym: Caulophyllum thalictroides
Coefficient of Conservatism: 5
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Nt P-Forb

Included in C. thalictroides in Michigan Flora.

Rich deciduous forests.

Blooms earlier in the spring than C. thalictroides, and then readily recognizable because the young foliage is a dark purplish green.

Locations

Antrim County
Charlevoix County
Emmet County
Genesee County
Ingham County
Iosco County
Isabella County
Jackson County
Kalkaska County
Lenawee County
Macomb County
Oakland County
Ogemaw County
Ottawa County
Sanilac County
Shiawassee County
St. Clair County
Tuscola 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 11, 2017. http://michiganflora.net/species.aspx?id=543.