Actinidia chinensis
Encyclopedia
Actinidia chinensis is a fruit tree
Fruit tree
A fruit tree is a tree which bears fruit that is consumed or used by people — all trees that are flowering plants produce fruit, which are the ripened ovaries of flowers containing one or more seeds. In horticultural usage, the term 'fruit tree' is limited to those that provide fruit for...

 and medicinal plant  native to China
China
Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

. It is pollinated by bees.

Habitat

In its native habitat it grows in thickets, thick (oak) forests (e.g. Quercus aquifolioides, Q. oxyodon, Q. lamellosa etc.), and light secondary forests and bushland. A. chinensis prefers slopes and likes also to grow in ravine
Ravine
A ravine is a landform narrower than a canyon and is often the product of streamcutting erosion. Ravines are typically classified as larger in scale than gullies, although smaller than valleys. A ravine is generally a fluvial slope landform of relatively steep sides, on the order of twenty to...

s, top heights of 200-230m, relative to the local microclimate
Microclimate
A microclimate is a local atmospheric zone where the climate differs from the surrounding area. The term may refer to areas as small as a few square feet or as large as many square miles...

. In Western gardens it may range 30 feet in all directions, making it unsuitable for all but the largest spaces.

Origin

Its origin is supposed to be the northern Yangtse river valley. In China, Actinidia chinensis is nowadays dispersed in the entire southeast of the country. Herbarium specimens
Herbarium
In botany, a herbarium – sometimes known by the Anglicized term herbar – is a collection of preserved plant specimens. These specimens may be whole plants or plant parts: these will usually be in a dried form, mounted on a sheet, but depending upon the material may also be kept in...

, but not plants, were forwarded to the Royal Horticultural Society by the British plant hunter
Plant collecting
Plant collecting involves procuring live or dried plant specimens, for the purposes of research, cultivation or as a hobby.-Collection of live specimens:...

 Robert Fortune
Robert Fortune
Robert Fortune was a Scottish botanist and traveller best known for introducing tea plants from China to India.-Travels and botanical introductions to Europe:Fortune was born in Kelloe, Berwickshire...

, from which Jules Émile Planchon
Jules Émile Planchon
Jules Émile Planchon was a French botanist born in Ganges, Hérault.-Biography:After receiving his Doctorate of Science at the University of Montpellier in 1844, he worked for a while at the Royal Botanical Gardens in London, and for a few years was a teacher in Nancy and Ghent...

 named the new genus in the London Journal of Botany, 1847. Charles Maries
Charles Maries
Charles Maries was an English botanist and plant collector who was sent by James Veitch & Sons of Chelsea, London to search for new hardy plants in Japan, China and Taiwan between 1877 and 1879; there he discovered over 500 new species, which Veitch introduced to England...

, collecting for Messrs Veitch
Veitch Nurseries
The Veitch Nurseries were the largest group of family-run plant nurseries in Europe during the 19th century. Started by John Veitch sometime before 1808, the original nursery grew substantially over several decades and was eventually split into two separate businesses - based at Chelsea and...

 noted it in Japan
Japan
Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, 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...

, but the introduction to Western horticulture was from E.H. Wilson, who sent seeds collected in Hupeh to Veitch in 1900.

Uses

The fruits, the size of a walnut, are edible. It was first grown commercially in New Zealand, where it has been superseded by Actinidia deliciosa
Actinidia deliciosa
Actinidia deliciosa or kiwifruit is native to southern China, and has been declared the national fruit of that country. Other species of Actinidia are also found in China and range east to Japan and north into southeastern Siberia...

, or Kiwifruit
Kiwifruit
The kiwifruit, often shortened to kiwi in many parts of the world, is the edible berry of a cultivar group of the woody vine Actinidia deliciosa and hybrids between this and other species in the genus Actinidia....

.
Paper is made from the bark
Bark
Bark is the outermost layers of stems and roots of woody plants. Plants with bark include trees, woody vines and shrubs. Bark refers to all the tissues outside of the vascular cambium and is a nontechnical term. It overlays the wood and consists of the inner bark and the outer bark. The inner...

. If the bark is removed in one piece from near the root and placed in hot ashes, it becomes very hard and can be used as a tube for a pencil. The plant is said to have insecticidal
Insecticide
An insecticide is a pesticide used against insects. They include ovicides and larvicides used against the eggs and larvae of insects respectively. Insecticides are used in agriculture, medicine, industry and the household. The use of insecticides is believed to be one of the major factors behind...

properties.
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