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Corylopsis

 
Corylopsis

 
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Corylopsis
 
 
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Corylopsis is a genus of nearly 30 species of shrub
Shrub

A shrub or bush is a horticulture rather than strictly Botany category of woody plant, distinguished from a tree by its multiple stems and lower height, usually less than 5-6 m tall....
s in the witch hazel family, Hamamelidaceae
Hamamelidaceae

The Hamamelidaceae is a family of flowering plants in the order Saxifragales, including 27 genera and about 80-90 species, all shrubs and small trees....
, native to 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....
 with the majority of species endemic 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....
 but with some also in 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....
, 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....
, and the Himalaya. This genus is also known from the extinct species Corylopsis reedae described from Eocene
Eocene

The Eocene Geologic time scale is a major division of the geologic timescale and the second epoch of the Palaeogene period in the Cenozoic era....
 leaf fossils found in Washington
Washington

Washington is a U.S. state in the Pacific Northwest region of the United States. Washington was carved out of the western part of Washington Territory which had been ceded by Britain in 1846 by the Oregon Treaty as settlement of the Oregon Boundary Dispute....
 State, USA.

They grow to 2-6 m tall, and often with a crown wider than tall.






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Corylopsis is a genus of nearly 30 species of shrub
Shrub

A shrub or bush is a horticulture rather than strictly Botany category of woody plant, distinguished from a tree by its multiple stems and lower height, usually less than 5-6 m tall....
s in the witch hazel family, Hamamelidaceae
Hamamelidaceae

The Hamamelidaceae is a family of flowering plants in the order Saxifragales, including 27 genera and about 80-90 species, all shrubs and small trees....
, native to 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....
 with the majority of species endemic 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....
 but with some also in 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....
, 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....
, and the Himalaya. This genus is also known from the extinct species Corylopsis reedae described from Eocene
Eocene

The Eocene Geologic time scale is a major division of the geologic timescale and the second epoch of the Palaeogene period in the Cenozoic era....
 leaf fossils found in Washington
Washington

Washington is a U.S. state in the Pacific Northwest region of the United States. Washington was carved out of the western part of Washington Territory which had been ceded by Britain in 1846 by the Oregon Treaty as settlement of the Oregon Boundary Dispute....
 State, USA.

They grow to 2-6 m tall, and often with a crown wider than tall. 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 ovate with an acute apex and a serrated margin, 4-20 cm long and 3-15 cm broad. 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 produced in late winter in pendulous raceme
Raceme

A raceme is a type of inflorescence that is unbranched and indeterminate growth and bears pedicellate flowers — flowers having short floral stalks called Pedicel s — along the axis....
s 3-9 cm long with 5-30 flowers; each flower has five pale yellow petals, 4-9 mm long. 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 dry capsule
Capsule (fruit)

In botany a capsule is a type of simple, dry fruit produced by many species of flowering plants. A capsule is a dehiscent structure composed of two or more carpels, that, at maturity, split apart to release the seeds within....
 10-12 mm long, containing two glossy black seed
Seed

A seed is a small Plant embryogenesis plant enclosed in a covering called the seed coat, usually with some Food storage. It is the product of the ripened ovule of gymnosperm and angiosperm plants which occurs after fertilization and some growth within the mother plant....
s.

Selected species:Native to China unless otherwise indicated
  • Corylopsis alnifolia
  • Corylopsis brevistyla
  • Corylopsis glabrescens (Japan, Korea)
  • Corylopsis glandulifera
  • Corylopsis glaucescens
  • Corylopsis griffithii (Himalaya)
  • Corylopsis henryi
  • Corylopsis himalayana (Himalaya)
  • Corylopsis microcarpa
  • Corylopsis multiflora
  • Corylopsis obovata
  • Corylopsis omeiensis
  • Corylopsis pauciflora (Japan, Taiwan)
  • Corylopsis platypetala
  • Corylopsis rotundifolia
  • Corylopsis sinensis
  • Corylopsis spicata
    Corylopsis spicata

    Corylopsis spicata is a plant in the witch hazel family, Hamamelidaceae....
     (Japan)
  • Corylopsis stelligera
  • Corylopsis trabeculosa
  • Corylopsis veitchiana
  • Corylopsis velutina
  • Corylopsis willmottiae
  • Corylopsis yui
  • Corylopsis yunnanensis


    • Cultivation and uses

    They are often grown in gardens for their very early, yellow flowers. They do have weak branches though, which are often damaged by heavy snow loads. Corylopsis prefers to grow in semi-shade or shade, protected from strong winds. It grows best on humus-rich soils. The sweetly scented flowering branches keep well in a vase. Corylopsis also makes good bonsai plants, especially C. pauciflora.