Hibiscus trionum L.
Common Name: FLOWER-OF-AN-HOUR
Coefficient of Conservatism: *
Coefficient of Wetness: 5
Wetness Index: UPL
Physiognomy: Ad A-Forb

An Old World species, the original native range uncertain but apparently in southeastern Europe; now widely naturalized in mostly warm climates. Locally a weed of fields, gardens, roadsides, and disturbed places. Reported by the First Survey (1838), but the first collection known is 1882 from Ingham Co. The flowers are attractive but short-lived, lasting only a few hours.

Locations

Barry County
Benzie County
Clinton County
Eaton County
Gratiot County
Hillsdale County
Ingham County
Ionia County
Isabella County
Kalamazoo County
Kent County
Lenawee County
Midland County
Monroe County
Newaygo County
Oakland County
St. Clair County
St. Joseph 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. September 23, 2017. http://michiganflora.net/species.aspx?id=1672.