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Castanea

The chestnuts traditionally eaten at Christmas are the European chestnut, Castanea sativa Mill, native to southern Europe and adjacent Asia. It has leaves pubescent beneath and aso brown-dotted, especially near the petiole. 

 

1. Outer bud scales and undersides of the leaves glabrous or nearly so; spines on involucres surrounding nuts glabrous.

C. dentata

1. Buds and undersides of the leaves ± densely pubescent; spines on involucres surrounding nuts pubescent.

C. mollissima

All species found in Castanea

Castanea dentataAMERICAN CHESTNUT 
Castanea mollissimaCHINESE CHESTNUT 

Citation:

MICHIGAN FLORA ONLINE. A. A. Reznicek, E. G. Voss, & B. S. Walters. February 2011. University of Michigan. Web. July 5, 2020. https://michiganflora.net/genus.aspx?id=Castanea.