Coefficient of Conservatism:
Coefficient of Wetness:
Collected once in Michigan by O. A. Farwell (1458, BLH) in 1894 as a waif at Detroit, Wayne Co.
The corolla is said to be cream or light yellow, becoming (or fading to) pink.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. February 24, 2018. http://michiganflora.net/species.aspx?id=1354.