Arizona white oak Fagaceae Quercus arizonica
Leaf:Alternate, evergreen (or nearly so), simple, oblong, 1 1/2 to 3 1/2 inches long, entire or toothed margin (more so near the tip), leathery and stiff, parallel veins that are sunken above and raised beneath, heart shaped base, dull yellow-green to blue-green above, dull and very fuzzy beneath.
Flower:Species is monoecious; males in long drooping catkins, yellow-green; females very small spikes in leaf axils, appearing with the leaves.
Fruit:Oblong acorn, 1/2 to 1 inch long, bowl shaped cap with finely hairy scales (warty near edges), covers 1/3 of nut, ripens in 1 season in early fall.
Twig:Moderate, light brown, fuzzy; reddish brown, clustered terminal buds, sharp pointed and plump.
Bark:Light gray, initially thin and lenticeled, becomes quite thick with shallow fissures and scaly ridges.
Form:An evergreen, medium sized tree with a short trunk and a spreading, irregular crown of stout, twisted branches, reaches up to 60 feet tall.