Laurel oak
Encyclopedia
Quercus laurifolia is a medium sized deciduous
Deciduous
Deciduous means "falling off at maturity" or "tending to fall off", and is typically used in reference to trees or shrubs that lose their leaves seasonally, and to the shedding of other plant structures such as petals after flowering or fruit when ripe...

 or semi-evergreen oak
Oak
An oak is a tree or shrub in the genus Quercus , of which about 600 species exist. "Oak" may also appear in the names of species in related genera, notably Lithocarpus...

 in the red oak section Quercus sect. Lobatae. It is native to the southeast of the United States
United States
The United States of America is a federal constitutional republic comprising fifty states and a federal district...

, from coastal Virginia
Virginia
The Commonwealth of Virginia , is a U.S. state on the Atlantic Coast of the Southern United States. Virginia is nicknamed the "Old Dominion" and sometimes the "Mother of Presidents" after the eight U.S. presidents born there...

 to central Florida
Florida
Florida is a state in the southeastern United States, located on the nation's Atlantic and Gulf coasts. It is bordered to the west by the Gulf of Mexico, to the north by Alabama and Georgia and to the east by the Atlantic Ocean. With a population of 18,801,310 as measured by the 2010 census, it...

 and west to southeast Texas
Texas
Texas is the second largest U.S. state by both area and population, and the largest state by area in the contiguous United States.The name, based on the Caddo word "Tejas" meaning "friends" or "allies", was applied by the Spanish to the Caddo themselves and to the region of their settlement in...

.

Quercus laurifolia is a tree
Tree
A tree is a perennial woody plant. It is most often defined as a woody plant that has many secondary branches supported clear of the ground on a single main stem or trunk with clear apical dominance. A minimum height specification at maturity is cited by some authors, varying from 3 m to...

 growing to 65-80 feet (20-25 m) (rarely to 130 feet (40 m)) tall, with a large, circular crown. The leaves
Leaf
A leaf is an organ of a vascular plant, as defined in botanical terms, and in particular in plant morphology. Foliage is a mass noun that refers to leaves as a feature of plants....

 are broad lanceolate, 1-5 in (3-12 cm) long and 0.5-1.75 in (1.5-4.5 cm) broad, and unlobed (very rarely three-lobed) with an entire margin and a bristle tip; they typically fall just as the new leaves start to emerge in spring. The acorn
Acorn
The acorn, or oak nut, is the nut of the oaks and their close relatives . It usually contains a single seed , enclosed in a tough, leathery shell, and borne in a cup-shaped cupule. Acorns vary from 1–6 cm long and 0.8–4 cm broad...

s, borne in a shallow cup, are hemispherical, 0.35-0.5 in (9-12 mm) long, green, maturing blackish-brown about 18 months after pollination. Despite their bitter kernel, they are eaten by deer, squirrels and birds. Acorn production is often heavy, enhancing the species' value for wildlife.

The seedlings show embryo dormancy
Dormancy
Dormancy is a period in an organism's life cycle when growth, development, and physical activity are temporarily stopped. This minimizes metabolic activity and therefore helps an organism to conserve energy. Dormancy tends to be closely associated with environmental conditions...

 and germinate the following spring after fall ripening; germination is hypogeal
Hypogeal
Hypogeal means "underground".* In botany, a seed is described as hypogeal when the cotyledons of the germinating seed remain non-photosynthetic, inside the seed shell, and below ground...

.

Swamp laurel oak grows rapidly and usually matures in about 50 years which has led to its wide use as an ornamental. It is host to the general oak-feeding insects but has no serious insect problems. Several species of Curculio weevils infest the acorns.

The botanist C.J. Burke (1961, 1963) suggested that swamp laurel oak is of hybrid origin having been derived from willow oak (Quercus phellos)
Willow Oak
Quercus phellos is a deciduous tree in the red oak group of oaks. It is native to eastern North America from southern New York south to northern Florida, and west to southernmost Illinois and eastern Texas...

 and water oak (Quercus nigra)
Water oak
Quercus nigra, the Water Oak, is an oak in the red oak group , native to the southeastern United States, from southern Delaware and south to the coastal areas of Maryland, Virginia, the piedmont of North Carolina, all of South Carolina, most of Georgia , all of Alabama, Mississippi, central...

; it is not found outside the ranges of the two supposed parental species. This conclusion was based on an index from leaf-shape on seedlings grown from acorns. However, this theory has not achieved wide support, with current authors accepting Quercus laurifolia as a distinct species (e.g. Flora of North America).

Known hybrids with Quercus laurifolia as one parent are with Q. falcata (Q × beaumontiana Sarg.), Q. incana (Q. × atlantica Ashe), and Q. marilandica (Q. × diversiloba Tharp ex A. Camus).

Soils and climate

Swamp laurel oak is found mostly on alluvial flood plains, from sea level up to 150 m altitude. It will tolerate the wetter sites in association with other oak species but will not live with continuous or prolonged flood
Flood
A flood is an overflow of an expanse of water that submerges land. The EU Floods directive defines a flood as a temporary covering by water of land not normally covered by water...

ing. It is most often found growing in sandy soil near river
River
A river is a natural watercourse, usually freshwater, flowing towards an ocean, a lake, a sea, or another river. In a few cases, a river simply flows into the ground or dries up completely before reaching another body of water. Small rivers may also be called by several other names, including...

s and along the edges of swamp
Swamp
A swamp is a wetland with some flooding of large areas of land by shallow bodies of water. A swamp generally has a large number of hammocks, or dry-land protrusions, covered by aquatic vegetation, or vegetation that tolerates periodical inundation. The two main types of swamp are "true" or swamp...

s if not too frequently flooded. Swamp laurel oak grows in the hammocks
Hammock (ecology)
Hammocks are dense stands of hardwood trees that grow on natural rises of only a few inches higher than surrounding marshland that is otherwise too wet to support them. Hammocks are distinctive in that they are formed gradually over thousands of years rising in a wet area through the deposits of...

 of central Florida and on sand hills adjacent to swamps in west Florida. Swamp laurel oak grows best on ultisols and inceptisols.

The range has average annual temperatures from 16° to 21°C (61° to 70°F). It can withstand extreme lows ranging from -1° to -18°C (30° to 0°F). Extreme highs range from 38° to 43°C (100° to 109°F).

It needs between 1250-1500 mm (49-59 inches) of rainfall a year. From 500-1000 mm (20-39 inches) of this is received during the growing season from April to September.

Uses

It is grown and marketed mainly as pulpwood
Pulpwood
Pulpwood refers to timber with the principal use of making wood pulp for paper production.-Applications:* Trees raised specifically for pulp production account for 16% of world pulp production, old growth forests 9% and second- and third- and more generation forests account for the balance...

. It is commonly used as an ornamental tree in landscaping because of its fast growth and pleasing appearance; it is planted with little regard to soil type. The acorns provide food for raccoon
Raccoon
Procyon is a genus of nocturnal mammals, comprising three species commonly known as raccoons, in the family Procyonidae. The most familiar species, the common raccoon , is often known simply as "the" raccoon, as the two other raccoon species in the genus are native only to the tropics and are...

s, White-tailed Deer
White-tailed Deer
The white-tailed deer , also known as the Virginia deer or simply as the whitetail, is a medium-sized deer native to the United States , Canada, Mexico, Central America, and South America as far south as Peru...

, Wild Turkey
Wild Turkey
The Wild Turkey is native to North America and is the heaviest member of the Galliformes. It is the same species as the domestic turkey, which derives from the South Mexican subspecies of wild turkey .Adult wild turkeys have long reddish-yellow to grayish-green...

s, squirrel
Squirrel
Squirrels belong to a large family of small or medium-sized rodents called the Sciuridae. The family includes tree squirrels, ground squirrels, chipmunks, marmots , flying squirrels, and prairie dogs. Squirrels are indigenous to the Americas, Eurasia, and Africa and have been introduced to Australia...

s, duck
Duck
Duck is the common name for a large number of species in the Anatidae family of birds, which also includes swans and geese. The ducks are divided among several subfamilies in the Anatidae family; they do not represent a monophyletic group but a form taxon, since swans and geese are not considered...

s, Bobwhite Quail
Bobwhite Quail
The Northern Bobwhite, Virginia Quail or Bobwhite Quail is a ground-dwelling bird native to the United States, Mexico, and the Caribbean...

, and small bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

s and rodent
Rodent
Rodentia is an order of mammals also known as rodents, characterised by two continuously growing incisors in the upper and lower jaws which must be kept short by gnawing....

s.
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