blackjack oak

The blackjack oak (Quercus marilandica) is a type of red oak found in eastern North America. It is a tree that typically grows to be about 9 to 15 meters tall and is often found on sandy soils. Its leaves are distinct, with three lobes at the apex, and they are glossy and dark green on top, with a rusty, hairy underside. The term "black oak" can also refer to several American oaks with dark bark or foliage, including the blackjack oak and scarlet oak. One specific type of black oak is a large timber tree native to the eastern and central U.S., known for its yellow inner bark used in tanning.12