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Ravenea
''Ravenea'' is a genus of 20 known species of palms, all native to Madagascar and the Comoros. They are small to large, dioecious palms, with solitary, robust grey stems, swollen at base and gradually tapering upward. The species vary greatly in size, with ''R. hildebrandtii'' and ''R. nana'' only reaching 4 m, while ''R. robustior'' and ''R. sambiranensis'' both reach 30 m. The leaves are up to 2–5 m long, pinnately compound, reduplicate, erect at first then arching, twisted near the apex; with numerous crowded narrow ribbed leaflets. The inflorescence is short, borne among the leaves; the fruit is a red drupe. One particular species, '' Ravenea rivularis'', is commonly cultivated as a houseplant and grown indoors all over the world. However, it is actually considered a vulnerable species in its wild habitat with fewer than 900 trees growing naturally. Species Most of the species are endangered. Species such as ''R. moorei'' are critically so, with only two specimens known, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Glauca Kz1
''Ravenea'' is a genus of 20 known species of palms, all native to Madagascar and the Comoros. They are small to large, dioecious palms, with solitary, robust grey stems, swollen at base and gradually tapering upward. The species vary greatly in size, with ''R. hildebrandtii'' and ''R. nana'' only reaching 4 m, while ''R. robustior'' and ''R. sambiranensis'' both reach 30 m. The leaves are up to 2–5 m long, pinnately compound, reduplicate, erect at first then arching, twisted near the apex; with numerous crowded narrow ribbed leaflets. The inflorescence is short, borne among the leaves; the fruit is a red drupe. One particular species, ''Ravenea rivularis'', is commonly cultivated as a houseplant and grown indoors all over the world. However, it is actually considered a vulnerable species in its wild habitat with fewer than 900 trees growing naturally. Species Most of the species are endangered. Species such as ''R. moorei'' are critically so, with only two specimens known, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Madagascariensis Kz1
''Ravenea'' is a genus of 20 known species of palms, all native to Madagascar and the Comoros. They are small to large, dioecious palms, with solitary, robust grey stems, swollen at base and gradually tapering upward. The species vary greatly in size, with ''R. hildebrandtii'' and ''R. nana'' only reaching 4 m, while ''R. robustior'' and ''R. sambiranensis'' both reach 30 m. The leaves are up to 2–5 m long, pinnately compound, reduplicate, erect at first then arching, twisted near the apex; with numerous crowded narrow ribbed leaflets. The inflorescence is short, borne among the leaves; the fruit is a red drupe. One particular species, ''Ravenea rivularis'', is commonly cultivated as a houseplant and grown indoors all over the world. However, it is actually considered a vulnerable species in its wild habitat with fewer than 900 trees growing naturally. Species Most of the species are endangered. Species such as ''R. moorei'' are critically so, with only two specimens known, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Rivularis
''Ravenea rivularis'', the majestic palm, or majesty palm, is a species of tree in the family Arecaceae. They generally grow to 10 to 12 feet tall and are often marketed in stores as a "houseplant" in a pot, in its natural state, the majesty palm may sometimes grow to tall. The palm has upward-arching leaves divided into long, thin fingers. It is native to Madagascar; however, it is believed only about 900 plants are currently alive in the wild according to an assessment conducted in 2010. The species grows in several regions of Madagascar, but because those regions are totally surrounded and separated by desert, the natural spread of the species is limited. Despite its fragility as a species in the wild, it has become a very popular houseplant due to its beautiful leaves and slow-growing nature. ''Ravenea rivularis'' grows in somewhat isolated humid habitats that are found in the otherwise dry, hot semi-arid climate of southwest Madagascar. Often, they grow huddled along the ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Albicans
''Ravenea albicans'' is a species of flowering plant in the Arecaceae family. It is a palm endemic to northeast Madagascar and found in seven fragmented locations between the towns of Ampasimanolotra and Antalaha with the exception of one location much farther south near Vondrozo. It is an endangered species threatened by habitat loss. There are perhaps 200 mature individuals remaining. In its natural range it tends to grow in humid forests within northeast Madagascar's mountain valleys. It is unique among the ''Ravenea'' genus because its pinnate leaves have an exotic, colorful appearance. Its species name, ''albicans'', is derived from the Latin word for the color white, album, as is the word for albinism. The base of each frond is green, yet they become white to dark grey near the tip at maturity. Some individuals have completely white fronds A frond is a large, divided leaf. In both common usage and botanical nomenclature, the leaves of ferns are referred to as fronds ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Latisecta
''Ravenea latisecta'' is a species of flowering plant in the family Arecaceae. As are most other species of palm tree in the genus ''Ravenea'', it is threatened by habitat loss and climate change. It is native to eastern central Madagascar. Here it is known to grow in a single protected area, the Andasibe-Mantadia National Park Andasibe-Mantadia National Park is a 155 square kilometre protected area, located about 150 km east of Antananarivo, consisting principally of primary growth forest in Alaotra-Mangoro Region in eastern Madagascar. The park's elevation range .... However biologists haven't located this species in the wild since 1992, when four mature trees were identified. Consequently, ''Ravenea latisecta'' may be extinct in the wild but recently collected data is not available to confirm nor contradict this claim. As of now, the species remains classified as critically endangered. References latisecta Endemic flora of Madagascar Endangered plants Taxon ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Beentjei
''Ravenea beentjei'' is a species of palm tree. It is endemic to Madagascar, where it grows in a frequently flooded area within a single locality of southeast Madagascar called Vondrozo. There are only about 40 mature trees known in their natural range. Like the majority of species in the Ravenea genus, it requires ample freshwater to survive. Therefore, it grows in valleys and swampy areas within the lowland tropical and subtropical moist broadleaf forests that carpet eastern Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa .... References beentjei Endemic flora of Madagascar Critically endangered flora of Africa {{palm-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Madagascariensis
''Ravenea madagascariensis'' is a species of flowering plant in the family Arecaceae. It is found only in Madagascar. It is threatened by 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 .... References madagascariensis Flora of Madagascar Near threatened plants Taxa named by Odoardo Beccari Taxonomy articles created by Polbot Plants described in 1906 {{palm-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Louvelii
''Ravenea louvelii'' is a species of flowering plant in the Arecaceae family. It is a palm endemic to Madagascar, where it is known from a single location. There are fewer than 10 individuals left. They are believed to be in Andasibe-Mantadia National Park Andasibe-Mantadia National Park is a 155 square kilometre protected area, located about 150 km east of Antananarivo, consisting principally of primary growth forest in Alaotra-Mangoro Region in eastern Madagascar. The park's elevation range ... on the Western margin of central Madagascar. They are protected by restriction of access to the location. References louvelii Endemic flora of Madagascar Critically endangered flora of Africa Taxonomy articles created by Polbot Taxa named by Henk Jaap Beentje {{palm-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Lakatra
''Ravenea lakatra'' is a species of flowering plant in the Arecaceae family. It is a palm endemic to Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa .... It is threatened by habitat loss and overcollection. There are probably fewer than 30 mature plants remaining in the wild. References lakatra Endemic flora of Madagascar Critically endangered flora of Africa Taxonomy articles created by Polbot Taxa named by Henri Lucien Jumelle Taxa named by Henk Jaap Beentje {{palm-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Krociana
''Ravenea krociana'' is a species of flowering plant in the family Arecaceae. It is found only in Madagascar. It is threatened by 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 .... References krociana Endemic flora of Madagascar Endangered flora of Africa Taxonomy articles created by Polbot Taxa named by Henk Jaap Beentje {{palm-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Julietiae
''Ravenea julietiae'' is a species of flowering plant in the Arecaceae family. It is a palm endemic to Madagascar Madagascar (; mg, Madagasikara, ), officially the Republic of Madagascar ( mg, Repoblikan'i Madagasikara, links=no, ; french: République de Madagascar), is an island country in the Indian Ocean, approximately off the coast of East Africa .... It is threatened by habitat loss, and there are perhaps 80 mature individuals remaining in the wild. References julietiae Endemic flora of Madagascar Endangered flora of Africa Taxonomy articles created by Polbot Taxa named by Henk Jaap Beentje {{palm-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ravenea Hypoleuca
''Ravenea hypoleuca'' is a species of palm tree. It is endemic to Madagascar, where it grows in two locations within southeast Madagascar; One is near a town called Vondrozo and the other near Tsitongambarika. There are only about 40 mature trees known in their natural range Species distribution —or species dispersion — is the manner in which a biological taxon is spatially arranged. The geographic limits of a particular taxon's distribution is its range, often represented as shaded areas on a map. Patterns of .... References hypoleuca Endemic flora of Madagascar Critically endangered flora of Africa {{palm-stub ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
