Black Oak Tree

Black Oak Tree

The Black Oak

The Black Oak is more commonly known as the California Black Oak and is sometimes referred to as Kellogg Oak. This oak belongs to the family of red oak and is native to western North America. It is closely related to the same species found in Eastern and Central North America.

This tree is deciduous and generally grows to be anywhere from 9 to 25 meters high with a diameter of about 1.4 meters. Larger trees actually can be 36 meters high and 1.6 meters in diameter. If the tree grows in a poor site it will form a cleaning in place.

Black Oaks grow in open space and they have a broad rounded crown, and their lower branches will bow low enough to touch the ground. If growing in closed stands, the crown is thin and narrow, while the trees are young and then be somewhat irregular wide once they age.

Appearance

Trunks of Black Oaks are generally branched and often in older trees tend to die off and be hollow. The younger trees have very thin, smooth bark growing moderately thick, laminated and deeply fissured with age.

This oak can grow one or more vertical roots that penetrate through the substrate using the spread of lateral roots that appear in the vertical. There are also plenty of shallow roots.

The acorns of these trees coming are very large for the species. The leaves are deeply lobed. These trees can live for at least five hundred years.

Flowering and fruiting

This species of oak is monoecious, so that the flowers and catkins develop and emerge before or nearly simultaneously with the leaves in April or May. The fruit is an acorn-shaped and occurs either alone or in groups of two to five years. Matures in two years. The acorns are brown when ripe and tend to be mature in August or late October depending on where the tree is located.

Ecology

The Black Oak is most critical to many forms of wildlife. In the grasslands and forests California oaks are the most important food source for wildlife, while also providing shelter. These trees take up more of the surface total in California than any other hardwood species. Livestock also use the black oak for their food and cover during the summer months.

The Black-tailed deer and western gray squirrel get almost fifty percent of its winter and fall diets of acorns of black oak trees. These acorns are so important as the size of the harvest, the survival rates of offspring may increase or decrease.

Uses

Acorns given by this oak is better than the other species when it comes to making acorn flour. The wood of this oak is used to make furniture, pallets, cabinets, and high quality wood and wood industrial. It can also be used as fuel. This kind of black oak makes twenty-nine percent of the sources of hardwood in California, and most sawn timber is timber.

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