|
Ledermanniella Keayi
''Ledermanniella keayi'' is a species of plant in the family Podostemaceae. It is endemic to Cameroon. Its natural habitat is rivers. It is threatened by habitat loss. It was first described in 1953 as ''Inversodicraea ''Inversodicraea'' are a genus of flowering plants in the family Podostemaceae, found in Africa. They are confined to areas that receive a spray of water from waterfalls, and some species are confined to a single waterfall. Species Currently acc ... keayi'' by George Taylor, but the genus was revised to '' Ledermanniella'' by Colette Cusset in 1974 References keayi Endemic flora of Cameroon Critically endangered plants Taxonomy articles created by Polbot {{Malpighiales-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
George Taylor (botanist)
Sir George Taylor, FRS FRSE FLS LLD (15 February 1904, in Edinburgh – 13 November 1993, in Dunbar) was a Scottish botanist. Life He was born at 5 West Preston Street the son of George William Taylor, a painter and decorator, and his wife, Jane Sloan. He was educated at Boroughmuir High School. By 1911 his father had gone into partnership as a tailor, with premises "Taylor and Thomson" at 39 George IV Bridge. George then began private education at George Heriot's School. He studied Biology at Edinburgh University graduating BSc in 1926. He did field studies in Rhodesia and South Africa 1927/28 and then continued as a postgraduate gaining a DSc in 1928. Following this he immediately obtained a position as an assistant at the British Museum in London. In 1934 he led a museum expedition to Ruwenzori in East Africa. In 1938 he joined Frank Ludlow and George Sherriff in a trip to Bhutan. Staying at the British Museum for most of his working life he became Deputy Keeper of Botan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Colette Cusset
Colette Cusset, born on 28 June 1944, is a French researcher and botanist. She specializes particularly in Podostemaceae found on the African continent, discovering and cataloging several species. Her contributions to African botany led scientists to name a species of Podostemaceae in her honor in 2016. Biography She was born in 1944. She obtained her doctorate at the end of her studies. In 1969, she was appointed as a research assistant at the National Museum of Natural History. Later, within this institution, Cusset was the first to digitize botanical data from the regions covered by her research, between 1985 and 1988. She is partly known for having described two new genera of Podostemaceae, "Djinga" and "Zehnderia", and 18 new species, in addition to renaming 35 others. Her choices in reorganization and renaming subsequently opened new avenues for research. Legacy Some of her work was described as "foundational" by other scientists. In 2016, a species of Podostemaceae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Plant
Plants are predominantly photosynthetic eukaryotes of the kingdom Plantae. Historically, the plant kingdom encompassed all living things that were not animals, and included algae and fungi; however, all current definitions of Plantae exclude the fungi and some algae, as well as the prokaryotes (the archaea and bacteria). By one definition, plants form the clade Viridiplantae (Latin name for "green plants") which is sister of the Glaucophyta, and consists of the green algae and Embryophyta (land plants). The latter includes the flowering plants, conifers and other gymnosperms, ferns and their allies, hornworts, liverworts, and mosses. Most plants are multicellular organisms. Green plants obtain most of their energy from sunlight via photosynthesis by primary chloroplasts that are derived from endosymbiosis with cyanobacteria. Their chloroplasts contain chlorophylls a and b, which gives them their green color. Some plants are parasitic or mycotrophic and have lost the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Podostemaceae
Podostemaceae (riverweed family), a family in the order Malpighiales, comprise about 50 genera and species of more or less thalloid aquatic herbs. Distribution and habitat They are found mostly in tropical and subtropical areas worldwide. Many species are found in a very small geographic area, often even just a single river or waterfall. Because of their small range, many species are seriously threatened, especially from habitat loss (for example, due to dams flooding their habitat). Riverweeds adhere to hard surfaces (generally rock) in rapids and waterfalls of rivers. They are submerged when water levels are high, but during the dry season they live a terrestrial existence, flowering at this time. Their root anatomy is specialized for the purpose of clinging to rocks, and in fact details of the root structure are one of the ways of classifying riverweeds. Ecology In many rivers, Podostemaceae are an important food source for a wide range of animals. For example, the tadp ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemism
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] |
Cameroon
Cameroon (; french: Cameroun, ff, Kamerun), officially the Republic of Cameroon (french: République du Cameroun, links=no), is a country in west-central Africa. It is bordered by Nigeria to the west and north; Chad to the northeast; the Central African Republic to the east; and Equatorial Guinea, Gabon and the Republic of the Congo to the south. Its coastline lies on the Bight of Biafra, part of the Gulf of Guinea and the Atlantic Ocean. Due to its strategic position at the crossroads between West Africa and Central Africa, it has been categorized as being in both camps. Its nearly 27 million people speak 250 native languages. Early inhabitants of the territory included the Sao civilisation around Lake Chad, and the Baka hunter-gatherers in the southeastern rainforest. Portuguese explorers reached the coast in the 15th century and named the area ''Rio dos Camarões'' (''Shrimp River''), which became ''Cameroon'' in English. Fulani soldiers founded the Adamawa Emirate ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat
In ecology, the term habitat summarises the array of resources, physical and biotic factors that are present in an area, such as to support the survival and reproduction of a particular species. A species habitat can be seen as the physical manifestation of its ecological niche. Thus "habitat" is a species-specific term, fundamentally different from concepts such as environment or vegetation assemblages, for which the term "habitat-type" is more appropriate. The physical factors may include (for example): soil, moisture, range of temperature, and light intensity. Biotic factors will include the availability of food and the presence or absence of predators. Every species has particular habitat requirements, with habitat generalist species able to thrive in a wide array of environmental conditions while habitat specialist species requiring a very limited set of factors to survive. The habitat of a species is not necessarily found in a geographical area, it can be the interior ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
River
A river is a natural flowing watercourse, usually freshwater, flowing towards an ocean, sea, lake or another river. In some cases, a river flows into the ground and becomes dry at the end of its course without reaching another body of water. Small rivers can be referred to using names such as Stream#Creek, creek, Stream#Brook, brook, rivulet, and rill. There are no official definitions for the generic term river as applied to Geographical feature, geographic features, although in some countries or communities a stream is defined by its size. Many names for small rivers are specific to geographic location; examples are "run" in some parts of the United States, "Burn (landform), burn" in Scotland and northeast England, and "beck" in northern England. Sometimes a river is defined as being larger than a creek, but not always: the language is vague. Rivers are part of the water cycle. Water generally collects in a river from Precipitation (meteorology), precipitation through a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Habitat Loss
Habitat destruction (also termed habitat loss and habitat reduction) is the process by which a natural habitat becomes incapable of supporting its native species. The organisms that previously inhabited the site are displaced or dead, thereby reducing biodiversity and species abundance. Habitat destruction is the leading cause of biodiversity loss. Fragmentation and loss of habitat have become one of the most important topics of research in ecology as they are major threats to the survival of endangered species. Activities such as harvesting natural resources, industrial production and urbanization are human contributions to habitat destruction. Pressure from agriculture is the principal human cause. Some others include mining, logging, trawling, and urban sprawl. Habitat destruction is currently considered the primary cause of species extinction worldwide. Environmental factors can contribute to habitat destruction more indirectly. Geological processes, climate change, introdu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Inversodicraea
''Inversodicraea'' are a genus of flowering plants in the family Podostemaceae, found in Africa. They are confined to areas that receive a spray of water from waterfalls, and some species are confined to a single waterfall. Species Currently accepted species include: *'' Inversodicraea abbayesii'' G.Taylor *''Inversodicraea achoundongii'' J.J.Schenk, Herschlag & D.W.Thomas *'' Inversodicraea adamesii'' G.Taylor *'' Inversodicraea annithomae'' (C.Cusset) Rutish. & Thiv *''Inversodicraea boumiensis'' (C.Cusset) Cheek *'' Inversodicraea congolana'' Hauman *'' Inversodicraea cristata'' Engl. *''Inversodicraea cussetiana'' (Cheek & Ameka) Cheek *'' Inversodicraea digitata'' H.E.Hess *'' Inversodicraea ebo'' Cheek *'' Inversodicraea eladii'' Cheek *''Inversodicraea feika'' Cheek *'' Inversodicraea fluitans'' H.E.Hess *'' Inversodicraea gabonensis'' (C.Cusset) Cheek *''Inversodicraea harrisii'' (C.Cusset) Cheek *''Inversodicraea kamerunensis'' (Engl.) Engl. *'' Inversodicraea koukoutamba ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ledermanniella
''Ledermanniella'' is a genus of flowering plants in the family Podostemaceae. It includes 28 species all native to tropical Africa. The genus name of ''Ledermanniella'' is in honour of Carl Ludwig Ledermann (1875-1958), who was a Swiss botanist and horticultural expert. The genus was circumscribed by Heinrich Gustav Adolf Engler in Bot. Jahrb. Syst. vol.43 (Issue 4) on page 378 in 1909. Species 28 species are accepted. * '' Ledermanniella aloides'' * '' Ledermanniella batangensis'' * '' Ledermanniella bifurcata'' * '' Ledermanniella boloensis'' * '' Ledermanniella bowlingii'' * '' Ledermanniella guineensis'' * '' Ledermanniella jaegeri'' * ''Ledermanniella keayi ''Ledermanniella keayi'' is a species of plant in the family Podostemaceae. It is endemic to Cameroon. Its natural habitat is rivers. It is threatened by habitat loss. It was first described in 1953 as ''Inversodicraea ''Inversodicraea'' are ...'' (G.Taylor) C.Cusset * '' Ledermanniella letestui'' * ' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Flora Of Cameroon
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] |
.jpg "Click for more on -> Endemism")
.JPG "Click for more on -> Habitat")
