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oak, (genus Quercus ), genus of about 450 species of ornamental and timber trees and shrubs in the beech family (Fagaceae), distributed throughout the north temperate zone and at high altitudes in the tropics.
live oak, any of several species of North American ornamental and timber trees belonging to the red oak group of the genus Quercus in the beech family (Fagaceae). Live oaks derive their name from the fact that they are evergreen and because lumbered or injured trees send up many sprouts, which also produce sprouts if cut themselves.
Oak wood has a density of about 750 kg/m 3 (0.43 oz/cu in) creating great strength and hardness. The wood is very resistant to insect and fungal attack because of its high tannin content. It also has very appealing grain markings, particularly when quartersawn. Oak planking was common on high status Viking longships in the 9th and 10th centuries. The wood was hewn from green logs, by axe and wedge, to produce radial planks, similar to quarter-sawn timber.
Live oaks, which grow in warmer climates, are evergreen; some species of oak grow as evergreens in warm climates. Oak trees usually have rough, ridged bark. They produce distinctive, tassel-like catkins in spring. Where Do Oak Trees Grow? Oak trees can grow throughout the world, but they are native to North America, Asia, Europe, and Africa. North America has nearly 300 native species, more than any other continent.
oak noun ˈōk plural oaks or oak often attributive 1 a : any of a genus (Quercus) of trees or shrubs of the beech family that produce acorns also : any of various plants related to or resembling the oaks b : the tough hard durable wood of an oak tree 2 : the leaves of an oak used as decoration Illustration of oak 1 acorn 2 leaf Example Sentences
Post oak; Bur oak; White oak; Most Common Oak Trees. Below is a list of oak tree types that are the most commonly planted. You’ll find that most oaks are massive in size and not suitable for urban or suburban landscapes. White Oak Tree (Q. alba): Not to be confused with the group of oaks called white oaks, the white oak tree grows very slowly. After 10 to 12 years, the tree will stand only 10 to 15 feet tall (3-5 m.), but it will eventually reach a height of 50 to 100 feet (15-30 m.).
Oak is one of the most popular woods used in furniture and flooring in the US. It’s often found in traditional, craftsman, and mission style furniture and is the wood of choice for the Amish, as well as famed furniture designers Gustav Stickley and Frank Lloyd Wright.
Oak Genera True oaks belong to the Quercus genus. That genus is part of the beech family know as Fagaceae. These plants originate in the Northern Hemisphere. Quercus represents a broad category containing around 600 oak species. In the United States, oaks are a dominant tree species throughout many forests.
oak noun [ C or U ] uk / əʊk / us / oʊk / B2 a large tree that is common in northern countries, or the hard wood of this tree: a mighty oak The timbers of those old sailing ships were mostly oak. an oak table / cupboard LucasFotoArt/Moment/GettyImages More examples The brandy is aged in oak barrels for ten years.
Season 10 episode 11 of The Curse of Oak Island will premiere on the History Channel Tuesday, Jan. 31 at 9/8c. During tonight’s episode, the team uncovers more evidence suggesting the mysterious ...