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Trees by nature, generally grow bigger and taller than other species of the vegetation. In general, the ecological zones of the world have been classified and differentiated mainly by the species of trees that they are made of. Although, usually, other factors are commonly considered in delineating the world into ecological zones. There are various species of trees, and what species are native to any one location depends on several factors. Each type also has particular structural features that differentiate it from the others. See alsoreference‘
Fast Growing Trees for Shade
Chilean Mesquite. This forest tree species scientifically known as Prosopis chilensis is native to South America such as southern Peru, Argentina, and Bolivia. It is a desert tree that is well known for its wide, bright-green, fern-like canopy. It also has numerous branches and dense canopy that spreads out close to the ground. This tree species is also now popular in southern Arizona in the United States. It resembles the African thorn tree, and grows very fast, and requires limited water for optimal growth. Its flowering season is between Spring and Summer. Chilean Mesquite is a leguminous of small or medium-sized that grows as high as 12 meters and 1 meter diameter. It is a self-fertilized, deciduous, perennial tree.
Eastern White Pine. Known by the scientific name, Pinus strobus, Eastern White Pine. This species is native to North America and grows as tall as 63 meters on the upper limit! Leaves of Eastern Pine Trees are needle-like, and occur in bundles of five. Adults of this species have grayish or reddish-brown, rough barks while young ones have gray or greenish-gray, smooth barks. This species typically have fibrous root system and thrives well in well-drained, loamy soil. They are perennial trees that grow very fast and serve as excellent windbreaks. They are also used as Christmas trees. Although they flourish in nearly all soil types, they perform optimally in moist soils, and may grow as tall as 50 feet! Unfortunately, they are prominently prone to pine weevils and rust as well as sudden branch breaking.
American Sycamore. Its scientific name is Platanus occidentalis. This species is native to eastern and central United States such as Texas, Ontario, Florida, Nebraska, and Michigan, and in northeastern Mexico. The tree thrives best in moist soils such as lake and stream edges and bottomlands. It is a deciduous species known for its wide canopy; and can attain heights between 75 and 100 feet. Backs of old American Sycamore trees flake off like plate. Members of this species are deciduous, perennial trees that occur in at least 36 states of the United States. It is among tall trees used for various purposes including flooring, furniture, fiberboard, and crates.
Quaking Aspen. Populous tremuloides, as it is known scientifically, is native to North America. It is known by other names which include trembling aspen, golden aspen, and American aspen. It is a fast-growing, perennial tree that attains height ranging between 20 and 25 meters. It is often said to be the most prominent native of American tree. It also occurs in Mexico. The tree is named quaking tree because its leaves tremble even in the lightest breeze. In the United States, its range extends from Alaska to Newfoundland. It is said to grow usually in areas of dense sand. Perhaps this trees species has the longest life span. It has been found that individual stands live for 60 yearsor even 150 years in some places!
These trees have adventitious root system that only penetrate the soil up to a few inches. It is the state tree of state of Utah. Unfortunately, the presence of this species in an area attracts aspen borers and tent caterpillars.
Paulownia. This is a genus name of about 17 species. Members are fast grower, growing as tall as 30 meters in height and their leaves are heart-shaped. They belong to kingdom Plantae; order Lamiales; and family Paulowniaceae. They are by other names which include princess trees, empress trees, and foxglove trees. They are deciduous, evergreen, perennial trees. One species is Paulownia tomentosa. They are beautiful, deciduous trees, and are useful for various purposes. Young members have big foliage. They are however, prone to problems which include roots that shoot onto the soil surface; and brittle woods. But they are useful for the treatment of frostbites and leg ulcers. Their other uses include treatment of tonsillitis, bronchitis, asthma, and dysentery. Also, it is said that they are excellent hair-growth inducers, and hair-greying inhibitors.
Southern Live Oak. This tree species is scientifically known as Quercus virginiana. It is native to southeastern United States and is designated as the state tree of Georgia in the United States. Other states where they occur include Florida, Oklahoma, Texas, and Virginia. These trees are fast growers although their rate of growth declines with age. Many of them have been found to live for several hundreds of years. They are characterized by tap and lateral root systems although lateral roots appear in the later stages of their lives. They are prominent trees for shipbuilding and produce numerous roots when cut. They also occur in Cuba.
Weeping Willow. This perennial tree, known scientifically as Salix babylonica grows up to between 3 and 4 feet annually. Its leaves are light green in color, and become yellow in autumn. They are tolerant of a wide range of moisture and soil conditions. The bark of the tree has rough, ridged texture, and grey color. It is native to dry northern China; and grows up to 30 or 50 feet.
Pecan Tree. This is scientifically known as Carya illinoinensis. It is native to temperate areas such as Texas, New Mexico, and Georgia of the United States. It also occurs in Mexico; and is a deciduous, perennial tree that produces numerous edible nuts. It grows best in full sun locations; and grows moderately to mature https://birdingfrontiers.com/fast-growing-trees-for-shade/ height of between 20 and 30 feet. It is otherwise known as pawnee.
Conclusion
Generally speaking, all trees are important. Thus, it cannot be said that certain species are better than the others except for the particular use being considered. The use to which a tree species is put to therefore will normally depend on physical and structural features of the tree species. Trees have medicinal, constructional, and environmental uses such as wind breaks, soil canopy, and sun shade. Trees also serve as shelter for animals in many forests.