Coefficient of Conservatism:
Coefficient of Wetness:
An eastern Asian species that, in its “double” form, was a popular old fashioned garden shrub, now less commonly cultivated. First collected as a wild plant by R. W. Smith on a wooded bank in Lenawee Co. in 2012.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. September 20, 2019. https://www.michiganflora.net/species.aspx?id=2897.