Gray Oak 



Quercus rubra, var. ambigua (Michx. f.) ITer. [Quercus borealis Michx. f. ; 

 Quercus ambigua Michx. f. ; Quercus coccinea, var. ambigua Gray.] 



A twig showing pistillate and staminate 



flowers, and immature leaves x l^ 

 A staminate flower, lateral view x 5 

 A pistillate flower, lateral view x 5 



4. A twig showing mature leaves and fruit 



X Va 



5. Nut with cup, lateral view x 1 



6. Winter twig x % 



