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Cycas Hongheensis
''Cycas hongheensis'' is a species of cycad endemic to Yunnan Yunnan , () is a landlocked Provinces of China, province in Southwest China, the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is ..., southern China. It is found in Gejiu and Shiping County (near Nujie 牛街镇).Whitelock, Loran M. 2002. ''The Cycads''. Portland: Timber Press. It is also found in Dawei Mountain Nature Reserve. Only two wild populations remain, both with fewer than 1,000 individuals.Zheng Y, Liu J, Feng X, Gong X. 2017. The distribution, diversity, and conservation status of ''Cycas'' in China. Ecol Evol. 2017;7:3212–3224. https://doi.org/10.1002/ece3.2910 References hongheensis Endemic flora of Yunnan Taxa named by Si Yuan Yang Taxa named by Si Lin Yang {{cycad-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cycad
Cycads are seed plants that typically have a stout and woody (ligneous) trunk (botany), trunk with a crown (botany), crown of large, hard, stiff, evergreen and (usually) pinnate leaves. The species are dioecious, that is, individual plants of a species are either male or female. Cycads vary in size from having trunks only a few centimeters to several meters tall. They typically grow very slowly and live very long. Because of their superficial resemblance, they are sometimes mistaken for Arecaceae, palms or ferns, but they are not closely related to either group. Cycads are gymnosperms (naked-seeded), meaning their fertilization, unfertilized seeds are open to the air to be directly fertilized by pollination, as contrasted with angiosperms, which have enclosed seeds with more complex fertilization arrangements. Cycads have very specialized pollinators, usually a specific species of beetle. Both male and female cycads bear cones (strobilus, strobili), somewhat similar to conife ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Yunnan
Yunnan , () is a landlocked Provinces of China, province in Southwest China, the southwest of the People's Republic of China. The province spans approximately and has a population of 48.3 million (as of 2018). The capital of the province is Kunming. The province borders the Chinese provinces of Guizhou, Sichuan, autonomous regions of Guangxi, and Tibet Autonomous Region, Tibet as well as Southeast Asian countries: Vietnam, Laos, and Myanmar. Yunnan is China's fourth least developed province based on disposable income per capita in 2014. Yunnan is situated in a mountainous area, with high elevations in the northwest and low elevations in the southeast. Most of the population lives in the eastern part of the province. In the west, the altitude can vary from the mountain peaks to river valleys by as much as . Yunnan is rich in natural resources and has the largest diversity of plant life in China. Of the approximately 30,000 species of Vascular plant, higher plants in China, Yu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Gejiu
(, ; Hani: ''Goqjef''; formerly known as Kochiu) is a county-level city and the former capital of Honghe prefecture, Yunnan Province, China, and has 202,000 urban inhabitants (ranked 14th largest city in Yunnan). It is the site of the country's largest tin deposits and its main industry is mining. Location Gejiu is located on top of a mountain to the north of the Red River (pinyin ''Hong He'') valley, which flows from Yunnan, Dali prefecture to Vietnam. To the south-west in this valley is Nansha, which lies directly below the town of Yuanyang. To the north-west lies Jianshui, and to the north Jijie. Mengzi lies 12 miles to the East. Layout The town is located in a crater-like depression around a lake on top of a mountain. The main road enters the town from the north through a thin pass. To the east and west are steep cliffs. Those to the west are too steep to inhabit, however extensive new construction along the eastern side has created many new districts. Administ ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Shiping County
Shiping County () is a county in the Honghe Hani and Yi Autonomous Prefecture in the southern part of the Yunnan province, China. It is located about from Kunming, the provincial capital. The county has a population of approximately 280,000 and its area is . Notable sights The county features many gardens and colorful murals. Yilong Lake, a large fresh water lake with a surface area of 32 square km, is particularly notable for its scenery, including the colorful lotus flowers that bloom on its surface. It is located about east of the county seat. The Xiushan Temple is located southwest of the county seat. It was constructed during the Tang dynasty and renamed Xiushan Temple during the Ming dynasty. Administrative divisions In the present, Shiping County has 7 towns and 2 townships. ;7 towns ;2 townships * Xincheng () * Daqiao () Ethnic groups Shiping County has the following ethnic groups (''Shiping County Gazetteer'' 1990:655-669). *Yi people **Niesupo (exonym: San ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Cycas
''Cycas'' is a genus of plants belonging to a very ancient lineage, the Cycadophyta, which are not closely related to palms, ferns, trees or any other modern group of plants. They are evergreen perennials which achieved their maximum diversity in the Jurassic and Cretaceous periods, when they were distributed almost worldwide. At the end of the Cretaceous, when the non-avian dinosaurs became extinct, so did most of the cycas in the Northern Hemisphere. ''Cycas'' is the type genus and the only extant genus recognised in the family Cycadaceae. About 113 species are accepted. ''Cycas circinalis'', a species endemic to India, was the first cycad species to be described in western literature, and was the type of the generic name, ''Cycas''. The best-known ''Cycas'' species is ''Cycas revoluta''. Range The genus is native to the Old World, with the species concentrated around the equatorial regions - eastern and southeastern Asia including the Philippines with 10 species (9 of which ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Flora Of Yunnan
Endemism is the state of a species being found in a single defined geographic location, such as an island, state, nation, country or other defined zone; organisms that are indigenous to a place are not endemic to it if they are also found elsewhere. For example, the Cape sugarbird is found exclusively in southwestern South Africa and is therefore said to be ''endemic'' to that particular part of the world. An endemic species can be also be referred to as an ''endemism'' or in scientific literature as an ''endemite''. For example '' Cytisus aeolicus'' is an endemite of the Italian flora. '' Adzharia renschi'' was once believed to be an endemite of the Caucasus, but it was later discovered to be a non-indigenous species from South America belonging to a different genus. The extreme opposite of an endemic species is one with a cosmopolitan distribution, having a global or widespread range. A rare alternative term for a species that is endemic is "precinctive", which applies to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Taxa Named By Si Yuan Yang
In biology, a taxon (back-formation from ''taxonomy''; plural taxa) is a group of one or more populations of an organism or organisms seen by taxonomists to form a unit. Although neither is required, a taxon is usually known by a particular name and given a particular ranking, especially if and when it is accepted or becomes established. It is very common, however, for taxonomists to remain at odds over what belongs to a taxon and the criteria used for inclusion. If a taxon is given a formal scientific name, its use is then governed by one of the nomenclature codes specifying which scientific name is correct for a particular grouping. Initial attempts at classifying and ordering organisms (plants and animals) were set forth in Carl Linnaeus's system in ''Systema Naturae'', 10th edition (1758), as well as an unpublished work by Bernard and Antoine Laurent de Jussieu. The idea of a unit-based system of biological classification was first made widely available in 1805 in the intr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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