Coefficient of Conservatism:
Coefficient of Wetness:
A. A. Reznicek
A European species, grown as a long-lived ornamental and rarely escaping, presumably by seed. Well established in an open area near the highway west of Conway, Emmet Co., where collected by H. A. Crum in 1978.
The terminal raceme of white to pink or bluish flowers is densely glandular-pubescent and strongly citrus-scented when touched.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 26, 2019. https://www.michiganflora.net/species.aspx?id=2607.