1. Outer bud scales and undersides of the leaves glabrous or nearly so; spines on involucres surrounding nuts glabrous.
1. Buds and undersides of the leaves ± densely pubescent; spines on involucres surrounding nuts pubescent.
All species found in Castanea
MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. February 17, 2018. http://www.michiganflora.net/genus.aspx?id=Castanea.