Leaves: alternate, simple, deciduous; less than 17.8 cm long, deeply 7-ll lobed, rounded lobes, sinuses more than ½ way deep; turning yellow, bronze, or red in fall
Flowers: male in catkins, female small
Fruit: acorn less than 19 mm long, broad, cup deep, maturing in one year
Bark: gray, thick, deeply furrowed
Wood: hard, heavy brownish, narrow sapwood
Range: Southwestern U.S. in mountains 1524-2440 m
Importance: only "tree" sized oak in ponderosa type; used for posts, fuelwood, and browse for deer, cattle, turkey, deer, quail, etc...
Best Recognized Features:
1. Relatively large deeply lobed leaf
2. Large-sized tree
3. Lobes rounded