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Tacca Ankaranensis
''Tacca ankaranensis'' is a species of flowering plant in the Yam (vegetable), yam family Dioscoreaceae, which is endemic to Madagascar. It was discovered on the Ankarana Reserve, Ankarana massif in far northern Madagascar. It was first described in 1997 by Martine Bardot-Vaucoulon. References Dioscoreaceae Root vegetables Endemic flora of Madagascar Plants described in 1997 {{monocot-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Martine Bardot-Vaucoulon
Martine is a feminine given name and a surname. Given name * Martine Aubry (born 1950), French politician * Martine Audet (born 1961), Canadian poet * Martine Aurillac (born 1939), French politician * Martine Baay-Timmerman (born 1958), Dutch politician * Martine Bartlett (1925–2006), American actress * Martine Batchelor (born 1953), author and former Buddhist nun * Martine Beaugrand, Canadian politician * Martine Bellen, American poet, editor and librettist * Martine Bercher (1944–2005), American football player * Martine Bertereau (c. 1600–after 1642), pioneering French woman mining engineer and mineralogist, also known as Baroness de Beausoleil * Martine Berthet (born 1961), French politician * Martine Beswick (born 1941), English actress and model * Martine Beugnet, French film theorist * Martine Billard (born 1952), French politician * Martine Brunschwig Graf (born 1950), Swiss politician * Martine Buron (born 1944), French architect and politician * Martine Carol (1920â ... [...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] |
Yam (vegetable)
Yam is the common name for some plant species in the genus '' Dioscorea'' (family Dioscoreaceae) that form edible tubers. Yams are perennial herbaceous vines cultivated for the consumption of their starchy tubers in many temperate and tropical regions, especially in West Africa, South America and the Caribbean, Asia, and Oceania. The tubers themselves, also called "yams", come in a variety of forms owing to numerous cultivars and related species. Yams were independently domesticated on three different continents: Africa (''Dioscorea rotundata''), Asia (''Dioscorea alata''), and the Americas (''Dioscorea trifida''). Etymology The name "yam" appears to derive from Portuguese ''inhame'' or Canarian (Spain) ''ñame'', which derived from West African languages during trade. However in both languages, this name commonly refers to the taro plant (''Colocasia esculenta'') from the genus ''Colocasia'', as opposed to '' Dioscorea''. The main derivations borrow from verbs me ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dioscoreaceae
Dioscoreaceae () is a family of monocotyledonous flowering plants, with about 715 known species in nine genera. The best-known member of the family is the yam (some species of '' Dioscorea''). The APG system (1998) and APG II system (2003) both place it in the order Dioscoreales, in the clade monocots. However, the circumscription changed in the APG II system, with the 2003 system expanded to include the plants that in the 1998 system were treated in the families Taccaceae and Trichopodaceae. Taxonomy The Dioscoreaceae were first described by Brown in 1810 as Dioscoreae, and alternatively referred to as Dioscorinae. Subdivision The circumscription of Dioscoreaceae has expanded over the years. For instance when Stenomeridaceae, as '' Stenomeris'' was also included in Dioscoreaceae as subfamily Stenomeridoideae together with ''Avetra'', the remaining four genera were grouped in subfamily Dioscoreoideae, the two being distinguished by the presence of bisexual and unisexual flowers ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ankarana Reserve
Ankarana Special Reserve in northern Madagascar was created in 1956. It is a small, partially vegetated plateau composed of 150-million-year-old middle Jurassic limestone. With an average annual rainfall of about , the underlying rocks have been eroded to produce caves and feed subterranean rivers—a karst topography. The rugged relief and the dense vegetation have helped protect the region from human intrusion. The southern entrance of the park is in Mahamasina on the Route nationale 6 (Madagascar), Route nationale 6 some 108 km south-west of Antsiranana and north-east of Ambilobe. Geology The plateau slopes gently to the east, but on the west it ends abruptly in the "Wall of Ankarana", a sheer cliff that extends north to south, and rises up to . To the south, the limestone mass breaks up into separate spires known as ''tower karst''. In the center of the plateau, seismic activity and eons of rainfall have eroded the limestone, forming deep gorges and ribbons of flowsto ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Root Vegetables
Root vegetables are underground plant parts eaten by humans as food. Although botany distinguishes true roots (such as taproots and tuberous roots) from non-roots (such as bulbs, corms, rhizomes, and tubers, although some contain both hypocotyl and taproot tissue), the term "root vegetable" is applied to all these types in agricultural and culinary usage (see terminology of vegetables). Potatoes are technically tubers, not roots, and sweet potatoes are tuberous roots. Root vegetables are generally storage organs, enlarged to store energy in the form of carbohydrates. They differ in the concentration and the balance among starches, sugars, and other types of carbohydrate. Of particular economic importance are those with a high carbohydrate concentration in the form of starch; starchy root vegetables are important staple foods, particularly in tropical regions, overshadowing cereals throughout much of Central Africa, West Africa and Oceania, where they are used directly or mashed ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Endemic Flora Of Madagascar
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] |
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