Shingle Oak (Quercus imbricaria)
Description:
A unique member of the red oak group that defies the "classic" oak look. Unlike the lobed leaves of its cousins, the Shingle Oak has smooth, lance-shaped leaves that resemble those of a laurel or willow, often leading hikers to mistake it for a completely different species until they spot the acorns.

Habitat in the ANF
While more common in the Ohio River Valley to the south, the Shingle Oak reaches the edges of the Allegheny National Forest on well-drained upland sites and rich hillsides. It is an "edge" specialist, often found where the forest meets old fields or along sunny ridges. It is particularly hardy and can handle the transition from moist bottomlands to drier, rocky slopes.

Ecology and History
The name "Shingle Oak" is a literal nod to American pioneer history; early settlers found the wood split easily and was incredibly durable, making it the preferred choice for hand-split roofing shingles. Ecologically, it provides heavy "mast" crops—its small acorns are a primary food source for wild turkeys, blue jays, and squirrels. Like many oaks, it often exhibits "marcescence," meaning the dead brown leaves cling to the branches throughout the winter, providing vital thermal cover for birds.

Identification
The Leaves: The most identifying feature is the lack of lobes or teeth. The leaves are oblong, leathery, and dark green with a single tiny bristle at the very tip—a hallmark of the red oak family.

The Bark: On younger trees, the bark is thin and smooth; as it matures, it develops broad, shallow ridges and a dark brown to nearly black color.

The Acorns: The nuts are relatively small and hemispherical, sitting in a thin, bowl-shaped cup covered in tight, reddish-brown scales.

Autumn Color: The foliage typically turns a rich, leathery yellow-brown or russet-orange before fading to a persistent tan in the winter.