Why Is It Called Blackjack Oak?

Blackjack oak (Quercus marilandica) is a small, deciduous tree that is native to the eastern and central United States. The tree gets its name from the fact that the leaves are black on the underside.

The name “blackjack” is also used for other trees in the same genus, such as Quercus shumardii and Quercus nigra.

 Exclusive BlackJack Casino Offers: 

The blackjack oak is a member of the white oak group (Quercus sect. Quercus), which includes all oaks with leaves that have rounded lobes and no bristle tips.

Other members of this group include the white oak (Quercus alba), the swamp white oak (Quercus bicolor), and the bur oak (Quercus macrocarpa).

The blackjack oak is a small tree, typically growing to a height of 20-30 feet (6-9 meters). The leaves are alternate, simple, and oblong in shape with rounded lobes.

PRO TIP:Blackjack Oak gets its name from the dark, black-streaked bark that covers the tree and is said to resemble the suits of a deck of cards. It is also known as Barrens Oak or Jack Oak, and its scientific name is Quercus marilandica.

The upper surface of the leaf is dark green and hairless, while the lower surface is pale green and hairy. The tree produces small, acorn-like fruits that are eaten by a variety of animals, including squirrels, mice, and birds.

The blackjack oak is found in a variety of habitats, including dry upland woods, rocky hillsides, and sandy plains. It is a common tree in the eastern United States, where it is often considered to be a weed species.

The wood of the blackjack oak is hard and heavy, making it unsuitable for use in construction or furniture. However, it is sometimes used as firewood or for making charcoal.

The blackjack oak gets its name from the fact that the leaves are black on the underside. This is due to the presence of tannins in the leaves, which give them their distinctive color.

Tannins are compounds that have many uses, including tanning leather and making ink. They can also be used as astringents and preservatives.