The sawtooth oak has a leaf that looks unlike most oak leaves, giving the tree an almost shaggy appearance, which is reinforced by the sawtooth oak's shaggy-topped acorns. These acorns are bitter and eaten by squirrels only as a last resort.
Leaves3.5-7.5 inches long, alternate arrangement, simple and oblong; serrated, tooth-like edges
FruitAcorns enclosed in small rosette of irregular leaves (involucre) with spreading and recurved bars
FlowerPendulous yellow-green catkins (male), messy, bloom in May
BarkRidged and furrowed, ash brown, smooth grayish stems