Gentianella quinquefolia (L.) Small
Common Name: STIFF GENTIAN
Coefficient of Conservatism: 9
Coefficient of Wetness: 0
Wetness Index: FAC
Physiognomy: Nt A-Forb
Status: T
Gentianella quinquefolia B. S. Slaughter

Stream and river banks, marshy meadows; bluffs and forested hillsides; usually in ± calcareous sites.

The corolla is blue or purplish; as in other blue gentians, whitish flowers are known but these seem not to have been noted in Michigan. Plants from the western part of the range of this species, including those from Michigan to Iowa, represent subsp. occidentalis (A. Gray) J. M. Gillett.

Locations

Berrien County
Ingham County
Ionia County
Kalamazoo County
Kent County
Macomb County
Montcalm County
Oakland County
St. Clair 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 12, 2017. http://www.michiganflora.net/species.aspx?id=1397.