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Angraecum Bracteosum
''Angraecum'', also known as comet orchid, is a genus of the family Orchidaceae native to tropical and South Africa, as well as Sri Lanka. It contains 223 species. Etymology Despite the genus's distribution being largely confined to Africa and its offshore islands, the genus name is a latinization of the Indonesian and Malay word anggrek ("orchid"), itself ultimately from Javanese ꦲꦔ꧀ꦒꦿꦺꦏ꧀ (anggrék, "orchid"). Description Angraecums are quite varied vegetatively and florally, and are adapted to dry tropical woodland habitat and have quite fleshy leaves as a consequence. Most are epiphytes, but a few are lithophytes. The long-lasting flowers are racemose and grow from the leaf axils. They are mostly white, but a few are yellow, green or ochre. They all have a long spur at the back of the labellum (lip). In the case of ''Angraecum sesquipedale'', a species from Madagascar, on observing the spur in the lip, Charles Darwin made the hypothesis that, since the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Angraecum Sesquipedale
''Angraecum sesquipedale'' , also known as Darwin's orchid, Christmas orchid, Star of Bethlehem orchid, and king of the angraecums, is an epiphytic orchid in the genus ''Angraecum'' endemic to Madagascar. The orchid was first discovered by the French botanist Louis-Marie Aubert du Petit-Thouars in 1798, but was not described until 1822. It is noteworthy for its long spur and its association with the naturalist Charles Darwin, who surmised that the flower was pollinated by a then undiscovered moth with a proboscis whose length was unprecedented at the time. Darwin's prediction went unverified for 21 years after his death, until Xanthopan, just such a moth was discovered and his conjecture vindicated. The story of its postulated pollinator has come to be seen as one of the celebrated predictions of the theory of evolution. Description ''Angraecum sesquipedale'' is a monopodial orchid and can grow to a height of . Its growth habit is rather similar to species in the genus ''Aerides'' ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Africa
Africa is the world's second-largest and second-most populous continent after Asia. At about 30.3 million km2 (11.7 million square miles) including adjacent islands, it covers 20% of Earth's land area and 6% of its total surface area.Sayre, April Pulley (1999), ''Africa'', Twenty-First Century Books. . With nearly billion people as of , it accounts for about of the world's human population. Demographics of Africa, Africa's population is the youngest among all the continents; the median age in 2012 was 19.7, when the worldwide median age was 30.4. Based on 2024 projections, Africa's population will exceed 3.8 billion people by 2100. Africa is the least wealthy inhabited continent per capita and second-least wealthy by total wealth, ahead of Oceania. Scholars have attributed this to different factors including Geography of Africa, geography, Climate of Africa, climate, corruption, Scramble for Africa, colonialism, the Cold War, and neocolonialism. Despite this lo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Angraecum Bracteosum
''Angraecum'', also known as comet orchid, is a genus of the family Orchidaceae native to tropical and South Africa, as well as Sri Lanka. It contains 223 species. Etymology Despite the genus's distribution being largely confined to Africa and its offshore islands, the genus name is a latinization of the Indonesian and Malay word anggrek ("orchid"), itself ultimately from Javanese ꦲꦔ꧀ꦒꦿꦺꦏ꧀ (anggrék, "orchid"). Description Angraecums are quite varied vegetatively and florally, and are adapted to dry tropical woodland habitat and have quite fleshy leaves as a consequence. Most are epiphytes, but a few are lithophytes. The long-lasting flowers are racemose and grow from the leaf axils. They are mostly white, but a few are yellow, green or ochre. They all have a long spur at the back of the labellum (lip). In the case of ''Angraecum sesquipedale'', a species from Madagascar, on observing the spur in the lip, Charles Darwin made the hypothesis that, since the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glomeremus Orchidophilus
''Glomeremus orchidophilus'' is a recently (2010) discovered species of raspy cricket found in the island of Réunion in the Mascarene Islands. It is the only known pollinator of the orchid Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Orchids are cosmopolitan plants that are found in almost every habitat on Eart ... '' Angraecum cadetii''. It is also the only cricket known to pollinate a flower. References External links Video of ''Glomeremus orchidophilus'' hosted by BBC News{{Taxonbar, from=Q1954021 Insects described in 2010 Insects of Réunion Orchid pollinators Gryllacrididae ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Angraecum Cadetii
''Angraecum cadetii'' is a species of orchid endemic to Mauritius and Réunion. It was named after botanist Thérésien Cadet. It is the only known flower known to be pollinated by a cricket, specifically by a species of raspy cricket: ''Glomeremus orchidophilus ''Glomeremus orchidophilus'' is a recently (2010) discovered species of raspy cricket found in the island of Réunion in the Mascarene Islands. It is the only known pollinator of the orchid Orchids are plants that belong to the family Orc ...''. References External links Video clip of ''Angraecum cadetii'' pollination* * cadetii Plants described in 1987 Orchids of Mauritius Orchids of Réunion {{Vandeae-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Zosterops Borbonicus
''Zosterops'' (meaning "eye-girdle") is a genus of passerine birds containing the typical white-eyes in the white-eye family Zosteropidae. The genus has the largest number of species in the white-eye family. They occur in the Afrotropical, Indomalayan, and Australasian realms. Typical white-eyes have a length of between . Their most characteristic feature is a conspicuous white feather ring around the eye, though some species lack it. The species in this group vary in the structural adaptations of the tongue. The ''Zosterops'' 'griseotinctus''group is an example of a "great speciator" inhabiting a vast area and showing a remarkable morphological differentiation on islands, some of which may be as close as apart. Systematics The genus ''Zosterops'' was introduced by the naturalists Nicholas Vigors and Thomas Horsfield in 1827. The name combines the Ancient Greek words ''zōstēros'' "belt" or "girdle" and ''ōpos'' "eye". The type species was designated as the Malagasy white- ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Angraecum Striatum
''Angraecum'', also known as comet orchid, is a genus of the family Orchidaceae native to tropical and South Africa, as well as Sri Lanka. It contains 223 species. Etymology Despite the genus's distribution being largely confined to Africa and its offshore islands, the genus name is a Latinisation of names, latinization of the Indonesian language, Indonesian and Malay language, Malay word anggrek ("orchid"), itself ultimately from Javanese language, Javanese ꦲꦔ꧀ꦒꦿꦺꦏ꧀ (anggrék, "orchid"). Description Angraecums are quite varied vegetatively and florally, and are adapted to dry tropical woodland habitat and have quite fleshy leaves as a consequence. Most are epiphytes, but a few are lithophytes. The long-lasting flowers are racemose and grow from the leaf axils. They are mostly white, but a few are yellow, green or ochre. They all have a long spur at the back of the Labellum (botany), labellum (lip). In the case of ''Angraecum sesquipedale'', a species from Madag ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Xanthopan Morganii Praedicta
''Xanthopan'' is a monotypic genus of sphinx moth, with ''Xanthopan morganii'' (often misspelled as "''morgani''"), commonly called Morgan's sphinx moth, as its sole species. It is a very large Sphingidae, sphinx moth from Southern Africa (Zimbabwe, Zambia, Malawi) and Madagascar. Little is known about its biology, though the adults have been found to visit orchids and are one of the main pollinators of several of the Madagascar endemic baobab (''Adansonia'') species, such as ''Adansonia perrieri'', or Perrier's baobab. History of discovery In January 1862 while researching insect pollination of orchids, Charles Darwin received a package of orchids from the distinguished horticulturist James Bateman (horticulturist), James Bateman, and in a follow-up letter with a second package Bateman's son Robert Bateman (artist), Robert confirmed the names of the specimens, including ''Angraecum sesquipedale'' from Madagascar. Darwin was surprised at the defining characteristic of this specie ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mascarenes
The Mascarene Islands (, ) or Mascarenes or Mascarenhas Archipelago is a group of islands in the Indian Ocean east of Madagascar consisting of islands belonging to the Republic of Mauritius as well as the French department of Réunion. Their name derives from the Portuguese navigator Pedro Mascarenhas, who first visited them in April 1512. The islands share a common geological origin beneath the Mascarene Plateau known as the Mauritia microcontinent which was a Precambrian microcontinent situated between India and Madagascar until their separation about 70 million years ago. They form a distinct ecoregion with unique biodiversity and endemism of flora and fauna. Geography The archipelago comprises three large islands, Mauritius, Réunion, and Rodrigues, plus a number of volcanic remnants in the tropics of the southwestern Indian Ocean, generally between 700 and 1,500 kilometres east of Madagascar. The terrain includes a variety of reefs, atolls, and small islands. They presen ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Seychelles
Seychelles (, ; ), officially the Republic of Seychelles (; Seychellois Creole: ), is an island country and archipelagic state consisting of 155 islands (as per the Constitution) in the Indian Ocean. Its capital and largest city, Victoria, Seychelles, Victoria, is east of mainland Africa. Nearby island countries and territories include the Comoros, Madagascar, Mauritius, and the French Fifth Republic, French overseas departments and regions of France, overseas departments of Mayotte and Réunion to the south; and the Chagos Archipelago to the east. Seychelles is the list of African countries by area, smallest country in Africa as well as the list of African countries by population, least populated sovereign African country, with an estimated population of 100,600 in 2022. Seychelles was uninhabited prior to being encountered by Europeans in the 16th century. It faced competing French and British interests until it came under full British control in the early 19th century. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Comoros
The Comoros, officially the Union of the Comoros, is an archipelagic country made up of three islands in Southeastern Africa, located at the northern end of the Mozambique Channel in the Indian Ocean. Its capital and largest city is Moroni, Comoros, Moroni. The religion of the majority of the population, and the official state religion, is Sunni Islam. Comoros proclaimed its List of sovereign states by date of formation, independence from France on 6 July 1975. The Comoros is the only country of the Arab League which is entirely in the Southern Hemisphere. It is a member state of the African Union, the ''Organisation internationale de la Francophonie'', the Organisation of Islamic Co-operation, and the Indian Ocean Commission. The country has three official languages: Shikomori, French language, French and Arabic. At , the Comoros is the third-smallest African country by area after São Tomé and Príncipe and Seychelles. In 2019, its population was estimated to be 850,886. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Philippines
The Philippines, officially the Republic of the Philippines, is an Archipelagic state, archipelagic country in Southeast Asia. Located in the western Pacific Ocean, it consists of List of islands of the Philippines, 7,641 islands, with a total area of roughly 300,000 square kilometers, which are broadly categorized in Island groups of the Philippines, three main geographical divisions from north to south: Luzon, Visayas, and Mindanao. With a population of over 110 million, it is the world's List of countries and dependencies by population, twelfth-most-populous country. The Philippines is bounded by the South China Sea to the west, the Philippine Sea to the east, and the Celebes Sea to the south. It shares maritime borders with Taiwan to the north, Japan to the northeast, Palau to the east and southeast, Indonesia to the south, Malaysia to the southwest, Vietnam to the west, and China to the northwest. It has Ethnic groups in the Philippines, diverse ethnicities and Culture o ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
