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Chinese Cork Oak

 
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Chinese Cork Oak (Quercus variabilis) is a species of oak
Oak

The term oak can be used as part of the common name of any of about 400 species of trees and shrubs in the genus Quercus , which are listed in the List of Quercus species, and some related genera, notably Lithocarpus....
 in the section Quercus sect. Cerris
List of Quercus species

This is an incomplete list of Quercus species. The genus contains about 400 species....
, native to a wide area of eastern Asia
Asia

Asia is the world's largest and most populous continent. It covers 8.6% of the Earth's total surface area and, with over 4 billion people, it contains more than 60% of the world's current human population....
 in China
China

China is a Culture of China, an ancient civilization, and, depending on perspective, a national or multinational entity extending over a large area in East Asia....
, Japan
Japan

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south....
, and Korea
Korea

Korea is a geographic area composed of two sovereign countries, a civilization, and a former state situated on the Korean Peninsula in East Asia....
.

It is a medium-sized to large 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....
 tree
TREE

TREE was a Boston hardcore punk band formed in the summer of 1990. They were active in the Boston music scene until disbanding in 2002....
 growing to 25-30 m tall with a rather open crown, and thick corky bark
BARK

BARK was an early Electromechanics. BARK was built using standard phone relays, implementing a 32-bit binary machine and could perform addition in 150 ms and multiplication in 250 ms....
 with deep fissures and marked by sinuous ridges. The leaves
Leaf

In botany, a leaf is an above-ground plant Organ specialized for photosynthesis. For this purpose, a leaf is typically flat and thin, to expose the cells containing chloroplast to light over a broad area, and to allow light to penetrate fully into the tissues....
 are simple, acuminate, variable in size, 8-20 cm long and 2-8 cm broad, with a serrated margin with each vein ending in a distinctive fine hair-like tooth; they are green above and silvery below with dense short pubescence.

The flower
Flower

A flower, sometimes known as a bloom or blossom, is the reproduction structure found in flowering plants . The biological function of a flower is to mediate the union of male sperm with female ovum in order to produce seeds....
s are wind-pollinated catkin
Catkin

A catkin or ament is a slim, cylindrical flower cluster, with inconspicuous or no petals, usually wind-pollination but sometimes insect pollinated ....
s produced in mid spring, maturing about 18 months after pollination; the fruit
Fruit

The term fruit has different meanings dependent on context, and the term is not synonymous in food preparation and biology. In botany, which is the scientific study of plants, fruits are the ripened Ovary of flowering plants....
 is a globose acorn
Acorn

The acorn, or oak nut, is the nut of the oak tree . It is a nut , containing a single seed , enclosed in a tough, leathery shell, and borne in a cup-shaped cupule....
, 1.5-2 cm diameter, two-thirds enclosed in the acorn cup, which is densely covered in soft 4-8 mm long 'mossy' bristles.

s cultivated in China to a small extent for cork
Cork (material)

Cork material is a prime-subset of generic Cork cambium, harvested for commercial use primarily from the Cork Oak tree, Quercus suber, with Portugal producing 50% of cork worldwide....
 production, though its yield is lower than that of the related Cork Oak
Cork Oak

The Cork Oak is a medium-sized, evergreen oak tree in the section List of Quercus species#Section Cerris. It is native to southwest Europe and northwest Africa....
.






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Encyclopedia


Chinese Cork Oak (Quercus variabilis) is a species of oak
Oak

The term oak can be used as part of the common name of any of about 400 species of trees and shrubs in the genus Quercus , which are listed in the List of Quercus species, and some related genera, notably Lithocarpus....
 in the section Quercus sect. Cerris
List of Quercus species

This is an incomplete list of Quercus species. The genus contains about 400 species....
, native to a wide area of eastern Asia
Asia

Asia is the world's largest and most populous continent. It covers 8.6% of the Earth's total surface area and, with over 4 billion people, it contains more than 60% of the world's current human population....
 in China
China

China is a Culture of China, an ancient civilization, and, depending on perspective, a national or multinational entity extending over a large area in East Asia....
, Japan
Japan

Japan is an island country in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, People's Republic of China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south....
, and Korea
Korea

Korea is a geographic area composed of two sovereign countries, a civilization, and a former state situated on the Korean Peninsula in East Asia....
.

It is a medium-sized to large 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....
 tree
TREE

TREE was a Boston hardcore punk band formed in the summer of 1990. They were active in the Boston music scene until disbanding in 2002....
 growing to 25-30 m tall with a rather open crown, and thick corky bark
BARK

BARK was an early Electromechanics. BARK was built using standard phone relays, implementing a 32-bit binary machine and could perform addition in 150 ms and multiplication in 250 ms....
 with deep fissures and marked by sinuous ridges. The leaves
Leaf

In botany, a leaf is an above-ground plant Organ specialized for photosynthesis. For this purpose, a leaf is typically flat and thin, to expose the cells containing chloroplast to light over a broad area, and to allow light to penetrate fully into the tissues....
 are simple, acuminate, variable in size, 8-20 cm long and 2-8 cm broad, with a serrated margin with each vein ending in a distinctive fine hair-like tooth; they are green above and silvery below with dense short pubescence.

The flower
Flower

A flower, sometimes known as a bloom or blossom, is the reproduction structure found in flowering plants . The biological function of a flower is to mediate the union of male sperm with female ovum in order to produce seeds....
s are wind-pollinated catkin
Catkin

A catkin or ament is a slim, cylindrical flower cluster, with inconspicuous or no petals, usually wind-pollination but sometimes insect pollinated ....
s produced in mid spring, maturing about 18 months after pollination; the fruit
Fruit

The term fruit has different meanings dependent on context, and the term is not synonymous in food preparation and biology. In botany, which is the scientific study of plants, fruits are the ripened Ovary of flowering plants....
 is a globose acorn
Acorn

The acorn, or oak nut, is the nut of the oak tree . It is a nut , containing a single seed , enclosed in a tough, leathery shell, and borne in a cup-shaped cupule....
, 1.5-2 cm diameter, two-thirds enclosed in the acorn cup, which is densely covered in soft 4-8 mm long 'mossy' bristles.

Cultivation and uses

It is cultivated in China to a small extent for cork
Cork (material)

Cork material is a prime-subset of generic Cork cambium, harvested for commercial use primarily from the Cork Oak tree, Quercus suber, with Portugal producing 50% of cork worldwide....
 production, though its yield is lower than that of the related Cork Oak
Cork Oak

The Cork Oak is a medium-sized, evergreen oak tree in the section List of Quercus species#Section Cerris. It is native to southwest Europe and northwest Africa....
. It is also occasionally grown as an ornamental tree.