Flora Of China
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Flora Of China
The flora of China consists of a diverse range of plant species including over 39,000 vascular plants, 27,000 species of fungi and 3000 species of bryophytes.Wu, Z. Y., P. H. Raven & D. Y. Hong, eds. 2006. Flora of China. Vol. 22 (Poaceae). Science Press, Beijing, and Missouri Botanical Garden Press, St. Louis More than 30,000 plant species are native to China, representing nearly one-eighth of the world's total plant species, including thousands found nowhere else on Earth. China's land, extending over 9.6 million km, contains a variety of ecosystems and climates for plants to grow in. Some of the main climates include shores, tropical and subtropical forests, deserts, elevated plateaus and mountains. The events of the continental drift and early Paleozoic Caledonian movement also play a part in creating climatic and geographical diversity resulting in high levels of endemic vascular flora. These landscapes provide different ecosystems and climates for plants to grow in, creati ...
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Lake Ximencuo On The Tibetan Plateau
A lake is an area filled with water, localized in a basin, surrounded by land, and distinct from any river or other outlet that serves to feed or drain the lake. Lakes lie on land and are not part of the ocean, although, like the much larger oceans, they do form part of the Earth's water cycle. Lakes are distinct from lagoons, which are generally coastal parts of the ocean. Lakes are typically larger and deeper than ponds, which also lie on land, though there are no official or scientific definitions. Lakes can be contrasted with rivers or streams, which usually flow in a channel on land. Most lakes are fed and drained by rivers and streams. Natural lakes are generally found in mountainous areas, rift zones, and areas with ongoing glaciation. Other lakes are found in endorheic basins or along the courses of mature rivers, where a river channel has widened into a basin. Some parts of the world have many lakes formed by the chaotic drainage patterns left over from the last ice ...
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Eucommia Ulmoides 5zz
''Eucommia'' is a genus of small trees now native to China, with a fossil record that shows a much wider distribution. The single living species, ''Eucommia ulmoides'', is near threatened in the wild, but is widely cultivated in China for its bark, and is highly valued in herbology such as traditional Chinese medicine. Description Modern ''Eucommia'' trees grow to about 15 m tall. The leaves are deciduous, arranged alternately, simple ovate with an acuminate tip, long, and with a serrated margin. If a leaf is torn across, strands of latex exude from the leaf veins and solidify into rubber and hold the two parts of the leaf together. It flowers from March to May with the flowers being inconspicuous, small, and greenish. The fruits ripen between June and November and are a winged samara with one seed, very similar to an elm samara in appearance. The modern fruits are long and broad, while fruits of the extinct species range up to long. ''Eucommia'' is dioecious, with sepa ...
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Forest Cover Of Chinese Administrative Divisions
A forest is an area of land dominated by trees. Hundreds of definitions of forest are used throughout the world, incorporating factors such as tree density, tree height, land use, legal standing, and ecological function. The United Nations' Food and Agriculture Organization (FAO) defines a forest as, "Land spanning more than 0.5 hectares with trees higher than 5 meters and a canopy cover of more than 10 percent, or trees able to reach these thresholds ''in situ''. It does not include land that is predominantly under agricultural or urban use." Using this definition, '' Global Forest Resources Assessment 2020'' (FRA 2020) found that forests covered , or approximately 31 percent of the world's land area in 2020. Forests are the predominant terrestrial ecosystem of Earth, and are found around the globe. More than half of the world's forests are found in only five countries (Brazil, Canada, China, Russia, and the United States). The largest share of forests (45 percent) are in th ...
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Tang Dynasty
The Tang dynasty (, ; zh, t= ), or Tang Empire, was an Dynasties in Chinese history, imperial dynasty of China that ruled from 618 to 907 AD, with an Zhou dynasty (690–705), interregnum between 690 and 705. It was preceded by the Sui dynasty and followed by the Five Dynasties and Ten Kingdoms period. Historians generally regard the Tang as a high point in Chinese civilization, and a Golden age (metaphor), golden age of cosmopolitan culture. Tang territory, acquired through the military campaigns of its early rulers, rivaled that of the Han dynasty. The House of Li, Lǐ family () founded the dynasty, seizing power during the decline and collapse of the Sui Empire and inaugurating a period of progress and stability in the first half of the dynasty's rule. The dynasty was formally interrupted during 690–705 when Empress Wu Zetian seized the throne, proclaiming the Zhou dynasty (690–705), Wu Zhou dynasty and becoming the only legitimate Chinese empress regnant. The devast ...
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Lycium Chinense
''Lycium chinense'' is one of two species of boxthorn shrub in the family Solanaceae. Along with ''Lycium barbarum'', it produces the goji berry ("wolfberry"). Two varieties are recognized, ''L. chinense'' var. ''chinense'' and ''L. chinense'' var. ''potaninii''. It is also known as Chinese boxthorn, Chinese matrimony-vine, Chinese teaplant, Chinese wolfberry, wolfberry, and Chinese desert-thorn. Description Wolfberry species are deciduous woody shrubs, growing high, somewhat shorter than ''L. barbarum''. The stems are highly branched. Branches are pale gray, slender, curved or pendulous, with thorns long. Leaves ''Lycium chinense'' leaves form on the shoot either solitary in an alternating arrangement or in bundles of 2 to 4. Their shape may be ovate, rombic, lanceolate, or linear-lanceolate, usually long and wide (but up to long and wide in cultivated plants). Flowers The flowers grow in groups of one to three in the leaf axils, with pedicels long. The bell-sh ...
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Panax Notoginseng
''Panax notoginseng'' is a species of the genus ''Panax'', and it is commonly referred to in English as Chinese ginseng * or notoginseng. In Chinese it is called ''tiánqī'' (), tienchi ginseng, ''sānqī'' () or ''sanchi'', three-seven root, and mountain plant. ''P. notoginseng'' belongs to the same scientific genus as ''Panax ginseng''. In Latin, the word ''panax'' means "cure-all", and the family of ginseng plants is one of the best-known herbs. ''P. notoginseng'' grows naturally in China. The herb is a perennial with dark green leaves branching from a stem with a red cluster of berries in the middle. It is both cultivated and gathered from wild forests, with wild plants being the most valuable. The Chinese refer to it as three-seven root because the plant has three petioles with seven leaflets each. It is also said that the root should be harvested between three and seven years after planting it. Chinese medicine In traditional Chinese medicine, ''P. notoginseng'' ...
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Fujian Cypress
''Fokienia'' is a genus of conifer tree belonging to the cypress family. In its characteristics, ''Fokienia'' is intermediate between the genera of ''Chamaecyparis'' and ''Calocedrus''. Genetically ''Fokienia'' is much closer to ''Chamaecyparis'', and not all researchers recognize ''Fokienia'' as a separate genus. The genus comprises only one living species, ''Fokienia hodginsii'' or Fujian cypress (; vi, Pơmu, links=no), and one fossil species (''Fokienia ravenscragensis''). ''Fokienia hodginsii'' is native from southeastern China (provinces of Zhejiang, Guizhou, Yunnan and Fujian) to Northern Vietnam (provinces of Ha Bac, Hà Giang, Hà Tĩnh, Hòa Bình, Sơn La, Nghệ An, Lào Cai, Lai Châu, Thanh Hóa, Tuyên Quang, Yên Bái and Vĩnh Phú), west central Vietnam (provinces of Đắk Lắk, Gia Lai, Lâm Đồng), and west to northern Laos. The name derives from the old Romanised name of Fujian province, China, from where the first specimen was introduced to Europ ...
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Davidia Involucrata
''Davidia involucrata'', the dove-tree, handkerchief tree, pocket handkerchief tree, or ghost tree, is a medium-sized deciduous tree in the family Nyssaceae. It is the only living species in the genus ''Davidia''. It was previously included with tupelos in the dogwood family, Cornaceae. Fossil species are known extending into the Upper Cretaceous. Taxonomy ''Davidia involucrata'' is the only member of its genus, but there are two varieties differing slightly in their leaves, ''D. involucrata'' var. ''involucrata'', which has the leaves thinly pubescent (short-haired) on the underside, and ''D. involucrata'' var. ''vilmoriniana'', with glabrous (hairless) leaves. Some botanists treat them as distinct species, with good reason, as the two taxa have differing chromosome numbers so are unable to produce fertile hybrid offspring. Description It is a moderately fast-growing tree, growing to in height, with toothed, alternate, ovate-cordate leaves resembling those of a linden, exce ...
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Golden Larch
''Pseudolarix amabilis'' is a species of coniferous tree in the pine family Pinaceae. The species is commonly known as golden larch, but being more closely related to ''Keteleeria'', ''Abies'' and ''Cedrus'', is not a true larch (''Larix''). ''P. amabilis'' is native to eastern China, occurring in small areas in the mountains of southern Anhui, Zhejiang, Fujian, Jiangxi, Hunan, Hubei and eastern Sichuan, at altitudes of . The earliest known occurrences are of compression fossils found in the Ypresian Allenby Formation and mummified fossils found in the Late Eocene Buchanan Lake Formation on Axel Heiberg Island. Growth It is a deciduous coniferous tree reaching tall, with a broad conic crown. The shoots are dimorphic, with long shoots and short shoots similar to a larch, though the short shoots are not so markedly short, lengthening about 5 mm annually. The leaves are bright green, 3–6 cm long and 2–3 mm broad, with two glaucous stomatal bands on the undersid ...
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Cupressus Duclouxiana
''Cupressus duclouxiana'', known commonly as the Chinese cypress or Yunnan cypress, is a species of conifer in the cypress family, Cupressaceae. It is endemic to China, where it is known from Yunnan and Sichuan. It grows in deep river gorges. Its habitat is mountain forest where it occurs alongside the Sikang pine (''Pinus densata'') and various oaks, chinquapins, and chestnuts. Most old-growth stands of this tree have been cut down, and it is still threatened by logging Logging is the process of cutting, processing, and moving trees to a location for transport. It may include skidding, on-site processing, and loading of trees or logs onto trucks or skeleton cars. Logging is the beginning of a supply chain ... in many areas. References duclouxiana Endemic flora of China Trees of China Endangered flora of Asia Plants described in 1914 Taxonomy articles created by Polbot {{conifer-stub ...
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Camptotheca
''Camptotheca'' (happy tree, cancer tree, or tree of life) is a genus of medium-sized deciduous trees growing to tall, native to southern China and Tibet. The genus is usually included in the tupelo family Nyssaceae, but sometimes included (with the tupelos) in the dogwood family Cornaceae. The name "happy tree" is a direct translation of the Chinese name xǐ shù (Simplified Chinese:喜树). There are two species: *''Camptotheca acuminata'' Decne. *''Camptotheca lowreyana'' S.Y.Li The bark and stems of ''C. acuminata'' contain the alkaloid camptothecin. Several chemical derivatives of camptothecin are under investigation for or used as drugs for cancer treatment, including irinotecan, topotecan, rubitecan. ''C. acuminata'' also contains the chemical compounds trifolin and hyperoside Hyperoside is a chemical compound. It is the 3-''O''-galactoside of quercetin. Natural occurrences Hyperoside has been isolated from ''Drosera rotundifolia'', from the Lamiaceae ''Stachys sp ...
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Gutta-percha
Gutta-percha is a tree of the genus ''Palaquium'' in the family Sapotaceae. The name also refers to the rigid, naturally biologically inert, resilient, electrically nonconductive, thermoplastic latex derived from the tree, particularly from ''Palaquium gutta''; it is a polymer of isoprene which forms a rubber-like elastomer. The word "gutta-percha" comes from the plant's name in Malay: ''getah'' translates as "latex". ''Percha'' or ''perca'' is an older name for Sumatra. Description ''P. gutta'' trees are tall and up to in trunk diameter. The leaves are evergreen, alternate or spirally arranged, simple, entire, long, glossy green above, and often yellow or glaucous below. The flowers are produced in small clusters along the stems, each flower with a white corolla with four to seven (mostly six) acute lobes. The fruit is an ovoid berry, containing one to four seeds; in many species, the fruit is edible. In Australia, gutta-percha is a common name specifically used for ...
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