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Cycas Bifida
''Cycas bifida'' (syn. ''Cycas rumphii'' var. ''bifida'') is a species of cycad plant in the genus '' Cycas'', native to southern China (southern Guangxi and eastern Yunnan), and northern Vietnam ( Cao Bằng, Lạng Sơn and Tuyên Quang provinces). The stems are largely subterranean, 20–60 cm in diameter and up to 20 cm above ground level, and bear three to eight leaves. The leaves are 2–4 m long and 40–80 cm broad, dark green and glossy, bipinnate, with 27-44 pairs of leaflets, each leaflet dichotomously divided (split in two), linear, 10–38 cm long and 1.5–3 cm broad, papery to leathery in texture; the leaf petiole is 0.5–2 m long, armed with spikes. The female cones are closed, the sporophylls 8–12 cm long, with deep red-brown tomentose down, and 6-8 ovules on an ovate lamina, with yellow to yellow-brown sarcotesta. Ovoid and flattened sclerotesta. The male cones are solitary and erect, spindle shaped and cylindrical 15-23 long ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Turner Thiselton-Dyer
Sir William Turner Thiselton-Dyer (28 July 1843 – 23 December 1928) was a leading British botanist, and the third director of the Royal Botanic Gardens, Kew. Life and career Thiselton-Dyer was born in Westminster, London. He was a son of William George Thiselton-Dyer (1812-1868), physician and Catherine Jane, née Firminger (1815-1897), botanist. He was educated at King's College School where he was first mathematical scholar, and later proceeded to the medical department of King's College London, where he remained until 1863 when he proceeded to Christ Church, Oxford. Initially studying mathematics at Christ Church, Oxford, he graduated in natural science in 1867. He became Professor of Natural History at the Royal Agricultural College in Cirencester and then Professor of Botany at the Royal College of Science for Ireland in Dublin. In 1872, he became professor at the Royal Horticultural Society in London, being recommended by Joseph Dalton Hooker. Then in 1875, Thiselton ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Guangxi
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms ''gut flora'' or '' skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de Phy ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Yunnan
Flora is all the plant life present in a particular region or time, generally the naturally occurring (indigenous) native plants. Sometimes bacteria and fungi are also referred to as flora, as in the terms ''gut flora'' or ''skin flora''. Etymology The word "flora" comes from the Latin name of Flora, the goddess of plants, flowers, and fertility in Roman mythology. The technical term "flora" is then derived from a metonymy of this goddess at the end of the sixteenth century. It was first used in poetry to denote the natural vegetation of an area, but soon also assumed the meaning of a work cataloguing such vegetation. Moreover, "Flora" was used to refer to the flowers of an artificial garden in the seventeenth century. The distinction between vegetation (the general appearance of a community) and flora (the taxonomic composition of a community) was first made by Jules Thurmann (1849). Prior to this, the two terms were used indiscriminately.Thurmann, J. (1849). ''Essai de Phyt ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flora Of Vietnam
The wildlife of Vietnam is rich in flora and fauna as reflected by its unique biodiversity. Rare and endemic antelope-like animal, categorized under the bovine subfamily, was found in 1992, in Bạch Mã National Park. In the 1990s, three other large mammal species, the deer-like Truong Son muntjac, giant muntjac and Pu Hoat muntjac, were also discovered, the first two in the same park. Conservation protection and scientific studies of the ecology of Vietnam, particularly in the protected forest areas, have been given priority attention by the Government of Vietnam. Laws were enacted to set up Xuân Thủy Wetland National Park, four UNESCO Biosphere Reserves, and Hạ Long Bay and Phong Nha-Kẻ Bàng National Parks; the last two are also designated as UNESCO World Heritage Sites. The rich diversity of Vietnam's wildlife includes 11,400 species of vascular plants, 1030 species of moss, 310 species of mammals, 296 reptile species, 162 amphibian species, 700 freshwater species ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Longzhou
Longzhou County Zhuang: ''Lungzcouh Yen'') is a county of southwestern Guangxi, China, bordering Cao Bằng province, Vietnam. It is under the jurisdiction of the prefecture-level city of Chongzuo. Longzhou lies in a circular valley at the junction of the Xun and Gui rivers. Geography and climate Longzhou has a monsoon-influenced humid subtropical climate (Köppen ''Cwa''), with short, mild winters, and long, very hot and humid summers. Winter begins dry but becomes progressively wetter and cloudier. Spring is generally overcast and often rainy, while summer continues to be rainy though is the sunniest time of year. Autumn is sunny and dry. The monthly 24-hour average temperature ranges from in January to in July, and the annual mean is . The annual rainfall is just above , a majority of which is delivered from June to August. With monthly percent possible sunshine ranging from 16% in February and March to 50% in September, the county receives 1,583 hours of bright ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Longgang Nature Reserve (), in Miaoli County, Taiwan
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Longgang may refer to the following locations in mainland China or Taiwan: County-level divisions *Longgang, Zhejiang () *Longgang District, Huludao (), Liaoning * Longgang District, Shenzhen (), Guangdong Towns *Longgang, Jiangsu (), in Yandu District, Yancheng Written as "": * Longgang, Fengshun County, Guangdong * Longgang, Kaiyang County, in Kaiyang County, Guizhou * Longgang, Linqu County, in Linqu County, Shandong * Longgang, Hangzhou, in Lin'an District, Hangzhou, Zhejiang Written as "" * Longgang, Yangxin County, Hubei, in Yangxin County, Hubei * Longgang, Qinshui County, in Qinshui County, Shanxi Others *Longgang volcanic field *Longgang railway station Longgang () is a railway station on the Taiwan Railways Administration West Coast line (Coastal line) located in Houlong Township, Miaoli County, Taiwan. History The station was opened on 11 October 1922. Around the station * Xihu Wetland ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Land Mine
A land mine is an explosive device concealed under or on the ground and designed to destroy or disable enemy targets, ranging from combatants to vehicles and tanks, as they pass over or near it. Such a device is typically detonated automatically by way of pressure when a target steps on it or drives over it, although other detonation mechanisms are also sometimes used. A land mine may cause damage by direct blast effect, by fragments that are thrown by the blast, or by both. Landmines are typically laid throughout an area, creating a ''minefield'' which is dangerous to cross. The use of land mines is controversial because of their potential as indiscriminate weapons. They can remain dangerous many years after a conflict has ended, harming civilians and the economy. Seventy-eight countries are contaminated with land mines and 15,000–20,000 people are killed every year while many more are injured. Approximately 80% of land mine casualties are civilians, with children as the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Limestone
Limestone ( calcium carbonate ) is a type of carbonate sedimentary rock which is the main source of the material lime. It is composed mostly of the minerals calcite and aragonite, which are different crystal forms of . Limestone forms when these minerals precipitate out of water containing dissolved calcium. This can take place through both biological and nonbiological processes, though biological processes, such as the accumulation of corals and shells in the sea, have likely been more important for the last 540 million years. Limestone often contains fossils which provide scientists with information on ancient environments and on the evolution of life. About 20% to 25% of sedimentary rock is carbonate rock, and most of this is limestone. The remaining carbonate rock is mostly dolomite, a closely related rock, which contains a high percentage of the mineral dolomite, . ''Magnesian limestone'' is an obsolete and poorly-defined term used variously for dolomite, for limes ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bamboo
Bamboos are a diverse group of evergreen perennial flowering plants making up the subfamily Bambusoideae of the grass family Poaceae. Giant bamboos are the largest members of the grass family. The origin of the word "bamboo" is uncertain, but it probably comes from the Dutch or Portuguese language, which originally borrowed it from Malay or Kannada. In bamboo, as in other grasses, the internodal regions of the stem are usually hollow and the vascular bundles in the cross-section are scattered throughout the stem instead of in a cylindrical arrangement. The dicotyledonous woody xylem is also absent. The absence of secondary growth wood causes the stems of monocots, including the palms and large bamboos, to be columnar rather than tapering. Bamboos include some of the fastest-growing plants in the world, due to a unique rhizome-dependent system. Certain species of bamboo can grow within a 24-hour period, at a rate of almost an hour (equivalent to 1 mm every 90 seco ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Jinping Miao, Yao, And Dai Autonomous County
Jinping Miao, Yao, and Dai Autonomous County () is located in Honghe Hani and Yi Autonomous Prefecture, Yunnan province, China, bordering Vietnam's Lai Châu Province to the south. Jinping is home to the Red-headed Yao () minority group who wear a pointed red hat on their heads after they get married. Administrative divisions Jinping Miao, Yao, and Dai Autonomous County has 4 towns 8 townships and 1 ethnic township. ;4 towns ;8 townships ;1 ethnic township * Zhemi Lahu () Ethnic groups The ''Jinping County Gazetteer'' (1994:113-132) lists the following ethnic groups. *Miao **Black Miao () / Mengba 蒙吧 / Mengshi 蒙施 **Qingshui Miao () / Mengnengcha 蒙能差; exonym: Mengbu 蒙补 / Mengbei 蒙背 **Flowery Miao () / Meng Leng 蒙冷 **Piantou Miao () / Meng Shua 蒙刷; exonym: Chinese Miao 汉苗 (least populous Miao subgroup) **White Miao () / Mengdou 蒙逗 * Yao **Yu Mian (): Red-Headed Yao 红头瑶 **Men 门: Landian Yao 蓝靛瑶, Pingtou Yao 平头瑶, Sha Yao ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
