Coefficient of Conservatism:
Coefficient of Wetness:
A Japanese shrub long persisting and spreading from plantings in overgrown yards and old homesteads. First collected in Michigan by W. R. Overlease in Benzie Co. in 1998. This is a distinctive small shrub, extensively colonial by suckering, with bright green twigs and yellow flowers, often double in cultivated forms. The Benzie Co. collection is this variant, cv. Pleniflora.
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. November 30, 2022. https://michiganflora.net/species.aspx?id=2495.