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  Guide to the Common Trees of Pennsylvania

Trees | Glossary | Visual Guide | Leaf Parts, Types, & Position


Black Oak
(Wide & Flat: Alternate Arrangement)
A relatively fast-growing tree to 75' high, one of the most common oaks on dry, upland sites. The acorns are eaten by wildlife, but not preferred; the young stems and twigs are browsed by deer. A yellow dye can be made from the bark. The wood is lumped with other oak species and sold as red oak for general construction lumber and furniture.

Black Oak
Quercus velutina Lam.
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Leaves
Alternate, simple, 4"-8" long, 3"-5" wide; each has 5-7 pointed, bristle-tipped lobes, sinuses between the lobes go halfway to the mid-rib on lower leaves, deeper on top leaves; smooth and shiny above and usually covered with a rust-brown fuzz below.
Twigs
Reddish brown, usually fuzzy. Buds blunt pointed, ridged, yellow-grey, wooly.
Fruit
An acorn, ½"-1" long, somewhat round, light brown. The acorn-cup is bowl-like with wooly hairs, covering 1/2 or more of the nut; cup-scales sharp-pointed, forming a loose fringe at the rim. Black oak acorns need two growing-seasons to ripen; kernels are yellow and extremely bitter.
Bark
Smooth and dark brown for many years, older trunks are dull black, furrowed, furrows forming irregular blocks; inner bark orange to orange-yellow.

Select a Tree from a menu below, or download the Visual Guide

Needle-Shaped or Linear

 

Wide & Flat: Opposite Arrangement

Wide and Flat: Alternate Arrangement

Information courtesy of:
PA Department of Conservation & Natural Resources

 

Whitetailed Deer
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