Populus Ciliata
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Populus Ciliata
''Populus ciliata'', the Himalayan poplar, is a large deciduous tree with tall clean straight trunk and wide rounded crown.http://www.worldagroforestrycentre.org/sea/Products/AFDbases/af/asp/SpeciesInfo.asp?SpID=1333. 2011 “HIMALAYAN Poplar (Populus ciliata)- AgroForestryTree Database”, The bark of the young trees is smooth greenish-grey and the bark of the old trees is dark brown with vertical cracks. Leaves are broadly ovate with serrulate-crenate and hairy margins. Flowers are drooping raceme catkins appear before or with leaves. ''Populus ciliata'' flowers are dioecious, individual flowers are either male or female. Perianth of male flowers is bell-shaped and female flowers are bluntly toothed. Their capsule encloses an average of 100–150 seeds, which are covered by long silky hair. Ecology and distribution Geographical distribution ''Populus ciliata'' is natively distributed along the Himalayas through China, Pakistan, India (Jammu and Kashmir, Himachal Pradesh, Uttarak ...
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Deciduous
In the fields of horticulture and Botany, the term ''deciduous'' () means "falling off at maturity" and "tending to fall off", in reference to trees and shrubs that seasonally shed leaves, usually in the autumn; to the shedding of petals, after flowering; and to the shedding of ripe fruit. The antonym of ''deciduous'' in the botanical sense is evergreen. Generally, the term "deciduous" means "the dropping of a part that is no longer needed or useful" and the "falling away after its purpose is finished". In plants, it is the result of natural processes. "Deciduous" has a similar meaning when referring to animal parts, such as deciduous antlers in deer, deciduous teeth (baby teeth) in some mammals (including humans); or decidua, the uterine lining that sheds off after birth. Botany In botany and horticulture, deciduous plants, including trees, shrubs and herbaceous perennials, are those that lose all of their leaves for part of the year. This process is called abscissio ...
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Myanmar
Myanmar, ; UK pronunciations: US pronunciations incl. . Note: Wikipedia's IPA conventions require indicating /r/ even in British English although only some British English speakers pronounce r at the end of syllables. As John C. Wells, John Wells explains, the English spellings of both Myanmar and Burma assume a non-rhotic variety of English, in which the letter r before a consonant or finally serves merely to indicate a long vowel: [ˈmjænmɑː, ˈbɜːmə]. So the pronunciation of the last syllable of Myanmar as [mɑːr] or of Burma as [bɜːrmə] by some speakers in the UK and most speakers in North America is in fact a spelling pronunciation based on a misunderstanding of non-rhotic spelling conventions. The final ''r'' in ''Myanmar'' was not intended for pronunciation and is there to ensure that the final a is pronounced with the broad a, broad ''ah'' () in "father". If the Burmese name my, မြန်မာ, label=none were spelled "Myanma" in English, this would b ...
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Trees Of China
In botany, a tree is a perennial plant with an elongated stem, or trunk, usually supporting branches and leaves. In some usages, the definition of a tree may be narrower, including only woody plants with secondary growth, plants that are usable as lumber or plants above a specified height. In wider definitions, the taller palms, tree ferns, bananas, and bamboos are also trees. Trees are not a taxonomic group but include a variety of plant species that have independently evolved a trunk and branches as a way to tower above other plants to compete for sunlight. The majority of tree species are angiosperms or hardwoods; of the rest, many are gymnosperms or softwoods. Trees tend to be long-lived, some reaching several thousand years old. Trees have been in existence for 370 million years. It is estimated that there are some three trillion mature trees in the world. A tree typically has many secondary branches supported clear of the ground by the trunk. This trunk typically c ...
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Populus
''Populus'' is a genus of 25–30 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. The western balsam poplar ('' P. trichocarpa'') was the first tree to have its full DNA code determined by DNA sequencing, in 2006. Description The genus has a large genetic diversity, and can grow from tall, with trunks up to in diameter. The bark on young trees is smooth, white to greenish or dark gray, and often has conspicuous lenticels; on old trees, it remains smooth in some species, but becomes rough and deeply fissured in others. The shoots are stout, with (unlike in the related willows) the terminal bud present. The leaves are spirally arranged, and vary in shape from triangular to circular or (rarely) lobed, and with a long petiole; in species in the sections ''Populus'' and ''Aigeiros'', the petioles are laterally flattened, s ...
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Pseudocercospora Salicia
''Pseudocercospora'' is a genus of ascomycete fungi. An anamorphic version of the genus '' Mycosphaerella'', ''Pseudocercospora'' species are plant pathogens, including the causal agent of the so-called South American leaf blight of the rubber tree. The widely distributed genus has been estimated to contain over 1100 species, concentrated predominantly in tropical regions. ''Pseudocercospora'' was circumscribed by Italian-Argentinian botanist Carlos Luigi Spegazzini Carlo Luigi Spegazzini, in Spanish Carlos Luis Spegazzini (20 April 1858 – 1 July 1926), was an Italian-born Argentinian botanist and mycologist. On the 1881/1882 expedition led by Giacomo Bove to explore Patagonia and Tierra del Fuego, the ... in 1910. References External links * Fungal plant pathogens and diseases Mycosphaerellaceae genera Taxa named by Carlo Luigi Spegazzini Taxa described in 1910 {{Capnodiales-stub ...
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Bipolaris Mydis
''Bipolaris'' is a genus of fungi belonging to the family Pleosporaceae. It was circumscribed by mycologist Robert A. Shoemaker in 1959. Species *''Bipolaris australis'' *'' Bipolaris brizae'' *'' Bipolaris buchloës'' *''Bipolaris cactivora'' *'' Bipolaris clavata'' *''Bipolaris coicis'' *''Bipolaris colocasiae'' *''Bipolaris crotonis'' *''Bipolaris crustacea'' *''Bipolaris cylindrica'' *''Bipolaris euchlaenae'' *''Bipolaris halepensis'' *''Bipolaris heveae'' *'' Bipolaris incurvata'' *''Bipolaris indica'' *''Bipolaris iridis'' *''Bipolaris leersiae'' *''Bipolaris micropus'' *''Bipolaris miyakei'' *''Bipolaris multiformis'' *''Bipolaris nicotiae'' *''Bipolaris novae-zelandiae'' *''Bipolaris ovariicola'' *''Bipolaris panici-miliacei'' *''Bipolaris papendorfii'' *''Bipolaris sacchari'' *''Bipolaris salkadehensis'' *'' Bipolaris sorghicola'' *'' Bipolaris spicifera'' *''Bipolaris subpapendorfii ''Bipolaris'' is a genus of fungi belonging to the family Pleosporaceae. It was circ ...
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Loranthus Elatus
''Loranthus'' is a genus of parasitic plants that grow on the branches of woody trees. It belongs to the family Loranthaceae, the showy mistletoe family. In most earlier systematic treatments it contains all mistletoe species with bisexual flowers, though some species have reversed to unisexual flowers. Other treatments restrict the genus to a few species. The systematic situation of ''Loranthus'' is not entirely clear. The generic name in botanical Latin means strap-flower, in reference to the shape of the petals. Taxonomy The taxonomic history of the generic name ''Loranthus'' is complicated. In 1753, Carl Linnaeus used the name ''Loranthus'' for a genus of one species, ''Loranthus americanus'', which was thus the type species. He later added other species, including ''Loranthus scurrula'' in 1762, a species he had previously placed in a separate genus, ''Scurrula'', and ''Loranthus europaeus'' in 1763, a name first used by Jacquin in 1762. However, ''Loranthus americanus'' has ...
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Erosion
Erosion is the action of surface processes (such as water flow or wind) that removes soil, rock, or dissolved material from one location on the Earth's crust, and then transports it to another location where it is deposited. Erosion is distinct from weathering which involves no movement. Removal of rock or soil as clastic sediment is referred to as ''physical'' or ''mechanical'' erosion; this contrasts with ''chemical'' erosion, where soil or rock material is removed from an area by dissolution. Eroded sediment or solutes may be transported just a few millimetres, or for thousands of kilometres. Agents of erosion include rainfall; bedrock wear in rivers; coastal erosion by the sea and waves; glacial plucking, abrasion, and scour; areal flooding; wind abrasion; groundwater processes; and mass movement processes in steep landscapes like landslides and debris flows. The rates at which such processes act control how fast a surface is eroded. Typically, physical erosion procee ...
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Bhutan
Bhutan (; dz, འབྲུག་ཡུལ་, Druk Yul ), officially the Kingdom of Bhutan,), is a landlocked country in South Asia. It is situated in the Eastern Himalayas, between China in the north and India in the south. A mountainous country, Bhutan is known as "Druk Yul," or "Land of the Thunder Dragon". Nepal and Bangladesh are located near Bhutan but do not share a land border. The country has a population of over 727,145 and territory of and ranks 133rd in terms of land area and 160th in population. Bhutan is a Constitutional Democratic Monarchy with King as head of state and Prime Minister as head of government. Mahayana and Vajrayana Buddhism is the state religion and the Je Khenpo is the head of state religion. The subalpine Himalayan mountains in the north rise from the country's lush subtropical plains in the south. In the Bhutanese Himalayas, there are peaks higher than above sea level. Gangkhar Puensum is Bhutan's highest peak and is the highest uncl ...
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