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Vangueria Agrestis
''Vangueria agrestis'' is a species of flowering plant in the family Rubiaceae. It is found from West Tropical Africa to Sudan Sudan ( or ; ar, السودان, as-Sūdān, officially the Republic of the Sudan ( ar, جمهورية السودان, link=no, Jumhūriyyat as-Sūdān), is a country in Northeast Africa. It shares borders with the Central African Republic t .... External links World Checklist of Rubiaceae agrestis Flora of Sudan {{Rubiaceae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Georg August Schweinfurth
Georg August Schweinfurth (29 December 1836 – 19 September 1925) was a Baltic German botanist and ethnologist who explored East Central Africa. Life and explorations He was born at Riga, Latvia, then part of the Russian Empire. He was educated at the universities of Heidelberg, Munich and Berlin (1856–1862), where he particularly devoted himself to botany and palaeontology. Commissioned to arrange the collections brought from Sudan by Adalbert von Barnim and Robert Hartmann, his attention was directed to that region; and in 1863 he travelled round the shores of the Red Sea, repeatedly traversed the district between that sea and the Nile, passed on to Khartoum, and returned to Europe in 1866. In 1866 botanist A.Braun published '' Schweinfurthia'' which is a genus of flowering plants from Africa and Asia, belonging to the family Plantaginaceae and named in Georg August Schweinfurth's honour. His researches attracted so much attention that in 1868 the Berlin-based Alexan ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
William Philip Hiern
William Philip Hiern (19 January 1839 – 28 November 1925) was a British mathematician and botanist. Life Hiern attended St. John's College, Cambridge, from 1857 to 1861 and attained a "first class degree" in mathematics. Later, in 1886, he attended Oxford University. Upon his marriage he moved to Surrey and developed an interest in botany. In 1881, Hiern moved to Barnstaple in north Devonshire, and lived at the manor house adjacent to the Barnstaple Castle mound. Hiern was quite taken with the country squire role and he assumed many public duties including those of the Lord of the Manor of Stoke Rivers, northeast of Barnstaple, and he was one of the original aldermen of the County of Devon. Contributions Hiern published over 50 works on botanical subjects. Among his chief works was the catalogue of the plants Friedrich Welwitsch had collected in Angola. Awards and honours In 1903, Hiern was elected a fellow of the Royal Society. The African figwort genus '' H ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Henrik Lantz
Henrik is a male given name of Germanic origin, primarily used in Scandinavia, Estonia, Hungary and Slovenia. In Poland, the name is spelt Henryk but pronounced similarly. Equivalents in other languages are Henry (English), Heiki (Estonian), Heikki (Finnish), Henryk (Polish), Hendrik (Dutch), Heinrich (German), Enrico (Italian), Henri (French), Enrique (Spanish) and Henrique (Portuguese). It means 'Ruler of the home' or 'Lord of the house'. People named Henrik include: * Henrik, Prince Consort of Denmark (1934–2018) * Prince Henrik of Denmark (born 2009) * Henrik Agerbeck (born 1956), Danish footballer * Henrik Andersson (badminton) (born 1977), Swedish player * Henrik Christiansen (other) * Henrik Dagård (born 1969), Swedish decathlete * Henrik Dam (1895-1976), Danish biochemist, physiologist and Nobel laureate * Henrik Dettmann (born 1958), Finnish basketball coach * Henrik Otto Donner (1939-2013), Finnish composer and musician * Henrik Fisker (born 1963), ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. Other ways of defining species include their karyotype, DNA sequence, morphology, behaviour or ecological niche. In addition, paleontologists use the concept of the chronospecies since fossil reproduction cannot be examined. The most recent rigorous estimate for the total number of species of eukaryotes is between 8 and 8.7 million. However, only about 14% of these had been described by 2011. All species (except viruses) are given a two-part name, a "binomial". The first part of a binomial is the genus to which the species belongs. The second part is called the specific name or the specific epithet (in botanical nomenclature, also sometimes i ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Flowering Plant
Flowering plants are plants that bear flowers and fruits, and form the clade Angiospermae (), commonly called angiosperms. The term "angiosperm" is derived from the Greek words ('container, vessel') and ('seed'), and refers to those plants that produce their seeds enclosed within a fruit. They are by far the most diverse group of land plants with 64 orders, 416 families, approximately 13,000 known genera and 300,000 known species. Angiosperms were formerly called Magnoliophyta (). Like gymnosperms, angiosperms are seed-producing plants. They are distinguished from gymnosperms by characteristics including flowers, endosperm within their seeds, and the production of fruits that contain the seeds. The ancestors of flowering plants diverged from the common ancestor of all living gymnosperms before the end of the Carboniferous, over 300 million years ago. The closest fossil relatives of flowering plants are uncertain and contentious. The earliest angiosperm fossils ar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Family (biology)
Family ( la, familia, plural ') is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between order and genus. A family may be divided into subfamilies, which are intermediate ranks between the ranks of family and genus. The official family names are Latin in origin; however, popular names are often used: for example, walnut trees and hickory trees belong to the family Juglandaceae, but that family is commonly referred to as the "walnut family". What belongs to a family—or if a described family should be recognized at all—are proposed and determined by practicing taxonomists. There are no hard rules for describing or recognizing a family, but in plants, they can be characterized on the basis of both vegetative and reproductive features of plant species. Taxonomists often take different positions about descriptions, and there may be no broad consensus across the scientific community for some time. The publishing of new data and opini ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Rubiaceae
The Rubiaceae are a family of flowering plants, commonly known as the coffee, madder, or bedstraw family. It consists of terrestrial trees, shrubs, lianas, or herbs that are recognizable by simple, opposite leaves with interpetiolar stipules and sympetalous actinomorphic flowers. The family contains about 13,500 species in about 620 genera, which makes it the fourth-largest angiosperm family. Rubiaceae has a cosmopolitan distribution; however, the largest species diversity is concentrated in the tropics and subtropics. Economically important genera include ''Coffea'', the source of coffee, '' Cinchona'', the source of the antimalarial alkaloid quinine, ornamental cultivars (''e.g.'', '' Gardenia'', ''Ixora'', ''Pentas''), and historically some dye plants (''e.g.'', ''Rubia''). Description The Rubiaceae are morphologically easily recognizable as a coherent group by a combination of characters: opposite or whorled leaves that are simple and entire, interpetiolar stipules, tubu ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Sudan
Sudan ( or ; ar, السودان, as-Sūdān, officially the Republic of the Sudan ( ar, جمهورية السودان, link=no, Jumhūriyyat as-Sūdān), is a country in Northeast Africa. It shares borders with the Central African Republic to the southwest, Chad to the west, Egypt to the north, Eritrea to the northeast, Ethiopia to the southeast, Libya to the northwest, South Sudan to the south and the Red Sea. It has a population of 45.70 million people as of 2022 and occupies 1,886,068 square kilometres (728,215 square miles), making it Africa's List of African countries by area, third-largest country by area, and the third-largest by area in the Arab League. It was the largest country by area in Africa and the Arab League until the 2011 South Sudanese independence referendum, secession of South Sudan in 2011, since which both titles have been held by Algeria. Its Capital city, capital is Khartoum and its most populated city is Omdurman (part of the metropolitan area of Khar ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Vangueria
''Vangueria'' is a genus of flowering plants in the family Rubiaceae. The genus is named for , as '' V. madagascariensis'' is known in Malagasy. Distribution The genus contains over 50 species distributed in Africa south of the Sahara with one species occurring in Madagascar ('' V. madagascariensis''). The centre of diversity is in East Africa (Kenya, Tanzania) and they are rare in West Africa. Bacterial leaf symbiosis Endophytic bacteria are housed in the intercellular space of the leaf mesophyll tissue. The presence of these bacteria can only be microscopically ascertained. The bacteria are identified as ''Burkholderia'', which is a genus that is also found in the leaves of other Rubiaceae species. The hypothesis is that these endophytic bacteria provide chemical protection against insect herbivory. Gousiekte Several ''Vangueria'' species - '' V. latifolia'', '' V. pygmaea'', '' V. thamnus'' - are known to cause , a cardiotoxicosis of ruminants characterised by heart failure ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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