Species Profiles Semester Cumulative Quiz View

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black oak (Quercus velutina)
Family: Fagaceae

 

A table detailing the characteristics of the black oak

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Form:

This tree is medium in size reaching 50 to 60 ft. in height and 2 to 3 ft. in dbh. It also has an irregular crown and a limby bole.

Leaves:
 Arrangement: alternate

 Shape: 5-7 bristle-tipped lobes; sun leaves have deep sinuses and shade leaves have very shallow sinuses

 Margin: entire

 Texture: thick; dark green and glabrous above; tomentose beneath

 Variation: pinnate

Leaves of a black oak

Bark:

The bark is thick, grayish-black in color and is deeply furrowed vertically with horizontal breaks. The inner bark is orange.

Twigs and Buds:

The twigs are brown in color, stout and glabrous. The buds are long and sharp with a grayish pubescence.

Flowers and Fruit:

The flowers are borne on catkins and are staminate. The fruit is an acorn that is long, ovid and 5/8 to 3/4 inches in length. The cap of the acorn has loose reddish-brown scales. It is also noted the the acorns mature in 2 years.

Distinguishing Characteristics:

This species has characteristic oak leaves, produced mast every 2 years, and has long terminal buds.

Range:

This species occurs from Maine to Minnesota, south to eastern Texas and east to Florida.

Silvics:

This species has an intermediate tolerance and occurs on mesic to dry uplands.

Ecological and Cultural Importance:

The wood is sold as “red oak” and used for furniture and flooring. The acorns are eaten by a variety of mammals and birds. Notable species include: wild turkeys, squirrels, and white-tailed deer.