Native Trees of Kentucky 103 



MAPLE FA/WILY Aceraceae. 



Two strong, constant characteristics mark the Maple family : 



1. Leaves opposite, simple, except in Boxelder. 



2. Fruit a pair of winged seeds called a key, or samara. 

 One genus, Acer, represents the family; in Kentucky, there 



are seven species : 



a. Sugar Maple Acer saccharum. 



b. Black Maple Acer nigrum. 



c. Silver Maple Acer saccharinum. 



d. Red Maple Acer rubrum. 



e. Mountain Maple Acer spicatum. 



f. Striped Maple Acer pennsylvanicum. 



g. Boxelder Acer negundo. 



