1. Leaves evergreen (overwintering); bracts simple, entire; flowers white to pinkish.
1. Leaves ± deciduous; bracts at inflorescence divided and serrate; flowers greenish.
All species found in Helleborus
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. June 20, 2018. https://www.michiganflora.net/genus.aspx?id=Helleborus.