Fastest Growing trees; Top 10.

There is a variety of trees which grow with a very slow speed and grows up to a single inch by years. Similarly there are trees which grow very fast and they impact the growth of other trees. And so they are considered as an environmental hazard. This the list of ten fastest growing trees in the world.

  • Royal Empress Tree. (royal paulownia):

Its botanical name is Paulownia tomentosa. This is the world’s fastest growing tree. This tree grows 10–25 m (33–82 ft) tall, with large heart-shaped to five-lobed leaves 15–40 cm (6–16 in) across, arranged in opposite pairs on the stem. On young growth, the leaves may be in whorls of three and be much bigger than the leaves on more mature growth. The leaves can be mistaken for those of the catalpa. 

Paulownia tomentosa is cultivated as an ornamental tree in parks and gardens. It has gained the Royal Horticultural Society’s Award of Garden Merit. Image result for Royal Empress Tree

Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Asterids
Order: Lamiales
Family: Paulowniaceae
Genus: Paulownia
Species: P. tomentosa
  • Willow Hybrid. (salix hybrid):

Its botanical name is Salix herbacea and it is also called sallows, and osiers, form the genus Salix, around 400 species of deciduous trees and  shrubs, found primarily on moist soils in cold and temperate regions of the Northern Hemisphere. Most species are known as willow, but some narrow-leaved shrub species are called osier, and some broader-leaved species are referred to as sallow (from Old English sealh, related to the Latin word salix, willow). Some willows (particularly arctic and alpine species) are low-growing or creeping shrubs; for example, the dwarf willow (Salix herbacea) rarely exceeds 6 cm (2.4 in) in height, though it spreads widely across the ground.

Image result for Willow Hybrid

Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malpighiales
Family: Salicaceae
Tribe: Saliceae
Genus: Salix Alba L
  • Hybrid Poplar. (populus deltoides):

Its botanical name is Populus Deltoides while generally it is known as Cottonwood. Populus is a genus of 25–35 species of deciduous flowering plants in the family Salicaceae, native to most of the Northern Hemisphere. English names variously applied to different species include poplar, aspen, and cottonwood. Cottonwood is commonly grown in wetlands and banks of river, streams, pools and canals. The roots of Cottonwood penetrates deep into the soil and scattered like a net, which prevents erosion and wearing of soil. Cottonwood is very fast growing tree. The more it is watered, the faster it grows. It grows in a couple of days if it is planted in full wetlands.

Image result for Hybrid Poplar

Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malpighiales
Family: Salicaceae
Tribe: Saliceae[1]
Genus: Populus
L.
  • Lombardy Poplar. (populus nigra ‘Italica’):

Its scientific name is Populus Nigra. It is also called Black Poplar. Black poplar, is a species of cottonwood poplar, the type species of section Aigeiros of the genus Populus, native to Europe, southwest and central Asia, and northwest Africa. This is also included in class Cotton Wood. Cottonwood is fast water-sucking plant. It is generally grown in a soil where the risk of water logging and salinity is higher. It absorbs the water and dries the land for further cultivation. It is grown in the fields and farms where cultivation is difficult due to water logging. More over it also resistant to soil erosion and soil transportation. There are billions acre of land cultivated with Black Poplar. It’s wood is also used as timber (wood prepared for use in building and carpentry).

Image result for Lombardy Poplar

Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malpighiales
Family: Salicaceae
Genus: Populus
Section: Aigeiros
Species: P. nigra
  • Eucalyptus Tree. (eucalyptus polyanthemos):

It is generally known as Gum Tree but scientifically known as Eucalyptus. Eucalyptus L’Héritier 1789 is a diverse genus of flowering trees and shrubs in the myrtle family, Myrtaceae. Members of the genus dominate the tree flora of Australia, and include Eucalyptus regnans, the tallest known flowering plant on Earth. Eucalyptus is grown all through the world. It is water absorbing tree and sometimes it negatively impacts the growth of other nearby trees. Environmental Agencies have called it an environmental hazard recently.

Image result for Eucalyptus Tree

Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Clade: Rosids
Order: Myrtales
Family: Myrtaceae
Subfamily: Myrtoideae
Tribe: Eucalypteae
Genus: Eucalyptus
L’Hér.
  • Weeping Willow. (salix babylonica):

Its botanical name is Salix babylonica. It is included in higher class Willow. Its scientific name is Salix babylonica. Salix babylonica is a species of willow native to dry areas of northern China, but cultivated for millennia elsewhere in Asia, being traded along the Silk Road to southwest Asia and Europe. The  grace  of Weeping Willow comes from its sweeping, low branches that droop to create its familiar ‘falling’ canopy.

Image result for Weeping Willow

Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malpighiales
Family: Salicaceae
Genus: Salix
Species: S. babylonica
  • American Sycamore. (platanus occidentalis):

It is included in the class of Plane Trees. Its botanical name is Platanus occidentalis. Platanus occidentalis, also known as American sycamore, American planetree, occidental plane, and buttonwood, is one of the species of Platanus native to North America.

Image result for American Sycamore

Scientific classification
Kingdom: Plantae
Clade: Angiosperms
Clade: Eudicots
Order: Proteales
Family: Platanaceae
Genus: Platanus
Species: P. occidentalis
  • Quaking Aspen (populus temuloides):

Its scientific name is Populus tremuloides. Populus tremuloides is a deciduous tree, one of several species referred to by the common name aspen. Aspen is very important tree because Aspen bark contains a substance that was extracted by indigenous North Americans and European settlers of the western U.S. as a quinine substitute. The leaves of the quaking aspen and other species in the genus Populus serve as food for caterpillars of various moths and butterflies.
Quaking Aspen is very commonly found in cool areas of of North America and in very few places of Central Asia.
Image result for Quaking Aspen is found in
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Malpighiales
Family: Salicaceae
Genus: Populus
Section: Populus
Species: P. tremuloides
  • Arapaho Crape Myrtle (lagerstroemia Arapaho):

Commonly known as crape myrtle or crepe myrtle. Arapaho Crape is very charming and blossoming tree having green leaves and shining red flowers. It is grown for home decoration and beautifying orchards. It is found all over the world from America to Japan. It is also included in the list of top 10 fastest growing trees in the world. It scatters up to tens of meter’s width.

Image result for Arapaho Crape Myrtle wikipedia

Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Myrtales
Family: Lythraceae
Genus: Lagerstroemia
Linnaeus
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