Hibiscus trionum L.
Family: Malvaceae
flower-of-an-hour
Hibiscus trionum image
Kitty Kohout  
Hibiscus trionum image
Christopher Noll  
Hibiscus trionum image
University of Wisconsin - Madison (WIS-VP)  
Etymology: Hibiscus: the ancient Greek and Latin name for some mallow-like plant
Plants: erect, annual, 1'-2' tall, hairy, branching forb
Leaves: deeply 3-parted, long-stalked, toothed or lobed
Flowers: whitish to yellow with a purple center, 5-parted, 1 1/4"-3" wide, opening only a few hours, with many small bracts below; blooms July-Sept.
Habitat: disturbed sites, gardens
Conservation Status: Introduced - naturalized
Introduced from Europe, this is a weedy little species of gardens, dumps, waste areas, roadsides, fields, railroad corridors, ditches, riverbanks, and around buildings. First collected in 1886.
Hibiscus trionum image
Christopher Noll  
Hibiscus trionum image
Christopher Noll  
Hibiscus trionum image
Botanical Illustration  
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Christopher Noll  
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Aaron_Carlson  
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Aaron_Carlson  
Hibiscus trionum image
Hibiscus trionum image
Paul Drobot  
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Paul Drobot  
Hibiscus trionum image
Hibiscus trionum image
Hibiscus trionum image
Paul Drobot  
Hibiscus trionum image
Hibiscus trionum image