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Persea
''Persea'' is a genus of about 111 species of evergreen trees belonging to the laurel family, Lauraceae. The best-known member of the genus is the avocado, ''P. americana'', widely cultivated in subtropical regions for its large, edible fruit. Overview They are medium-size trees, tall at maturity. The leaf, leaves are simple, lanceolate to broad lanceolate, varying with species from long and broad, and arranged spirally or alternately on the stems. The flowers are in short panicles, with six small greenish-yellow perianth segments long, nine stamens and an ovary with a single embryo. The fruit is an oval or pear-shaped berry (botany), berry, with a fleshy outer covering surrounding the single seed; size is very variable among the species, from in e.g. ''P. indica'', up to in some cultivars of ''P. americana''. Distribution and ecology The species of ''Persea'' have a disjunct distribution, with about 109 Neotropical realm, Neotropical species, ranging from Argentina and Ch ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Persea Species
''Persea'' is a genus of evergreen trees belonging to the laurel family, Lauraceae,André Joseph Guillaume Henri Kostermans. 1993 which includes 111 species. The best-known member of the genus is the avocado, ''P. americana'', widely cultivated in subtropical regions for its large, edible fruit. There are more than 200 synonyms in the genus. Accepted species *''Persea alba'' Nees & Mart. *''Persea albida'' Kosterm. *''Persea albiramea'' *''Persea alpigena'' *''Persea americana'' Mill. *''Persea areolatocostae'' (C.K.Allen) van der Werff *''Persea aurata'' *''Persea barbujana'' *''Persea basiobtusa'' *''Persea benthamiana'' Carl Meissner, Meisn. *''Persea bernardii'' L.E.Kopp *''Persea bilocularis'' *''Persea boldufolia'' Mez *''Persea brenesii'' Standl. *''Persea brevipes'' Meisn. *''Persea brevipetiolata'' van der Werff *''Persea buchtienii'' *''Persea bullata'' L.E.Kopp *''Persea caerulea'' (Ruiz & Pav.) Mez *''Persea caesia'' *''Persea calva'' *''Persea campii'' L.E ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persea Americana Flowers 3
''Persea'' is a genus of about 111 species of evergreen trees belonging to the laurel family, Lauraceae. The best-known member of the genus is the avocado, ''P. americana'', widely cultivated in subtropical regions for its large, edible fruit. Overview They are medium-size trees, tall at maturity. The leaves are simple, lanceolate to broad lanceolate, varying with species from long and broad, and arranged spirally or alternately on the stems. The flowers are in short panicles, with six small greenish-yellow perianth segments long, nine stamens and an ovary with a single embryo. The fruit is an oval or pear-shaped berry, with a fleshy outer covering surrounding the single seed; size is very variable among the species, from in e.g. ''P. indica'', up to in some cultivars of ''P. americana''. Distribution and ecology The species of ''Persea'' have a disjunct distribution, with about 109 Neotropical species, ranging from Argentina and Chile in South America to Central America, ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persea Americana
The avocado, alligator pear or avocado pear (''Persea americana'') is an evergreen tree in the laurel family (Lauraceae). It is native to Americas, the Americas and was first domesticated in Mesoamerica more than 5,000 years ago. It was prized for its large and unusually Avocado oil, oily fruit. The tree likely originated in the highlands bridging south-central Mexico and Guatemala. Avocado trees have a native growth range from Mexico to Costa Rica. Its fruit, sometimes also referred to as an alligator pear or avocado pear, is botanically a large Berry (botany), berry containing a single large seed. Sequencing of its genome showed that the evolution of avocados was shaped by polyploidy events and that commercial varieties have a Hybrid (biology), hybrid origin. Avocado trees are partly Self-pollination, self-pollinating, and are often Plant propagation, propagated through grafting to maintain consistent fruit output. Avocados are presently cultivated in the tropical and Medi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persea Indica
''Persea indica'' is a large, evergreen tree in the laurel family (Lauraceae), native to humid uplands on Madeira and the Canary Islands in the North Atlantic. It belongs to the genus '' Persea'', a group of evergreen trees including the avocado. It is threatened by habitat loss. It has been introduced to a number of islands in the nearby Azores. Overview Fossil evidence indicates that genus '' Persea'' originated in West Africa during the Paleocene, and spread to Asia, South America, Europe and North America. It is thought that the gradual drying of Africa, west Asia, and the Mediterranean from the Oligocene to the Pleistocene, and the glaciation of Europe during the Pleistocene, caused the extinction of the genus across these regions, resulting in the present distribution. Genus '' Persea'' disappeared from increasingly xerophytic Africa, starting with the formation of the Benguela Current. It is extinct in Africa, save for ''P. indica'', which survives in the cloud forests ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Persea Barbujana
''Persea barbujana'', the Canary laurel or barbusano, is a species of tree in the laurel family, Lauraceae. It is endemic to the Macaronesian islands of Madeira (incl. Porto Santo) and the Canary Islands. It is often placed as the sole species in genus '' Apollonias''. Molecular phylogenic analyses found that the species is nested within the genus ''Persea,'' which also includes the Macaronesian endemic ''Persea indica''. The La Gomera La Gomera () is one of Spain's Canary Islands, in the Atlantic Ocean off the coast of Africa. With an area of , it is the third-smallest of the archipelago's eight main islands. It belongs to the province of Santa Cruz de Tenerife. La Gomer ... subspecies is distinct and endangered. References {{Taxonbar, from1=Q90570380, from2=Q807884 barbujana Endemic flora of Macaronesia Flora of the Canary Islands Flora of Madeira Plants described in 1801 Taxa named by Antonio José Cavanilles Taxobox binomials not recognized by IUCN ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Lauraceae
Lauraceae, or the laurels, is a plant Family (biology), family that includes the bay laurel, true laurel and its closest relatives. This family comprises about 2850 known species in about 45 genus (biology), genera worldwide. They are dicotyledons, and occur mainly in warm temperate and tropical regions, especially Southeast Asia and South America. Many are aromatic evergreen trees or shrubs, but some, such as ''Sassafras'', are deciduous, or include both deciduous and evergreen trees and shrubs, especially in tropical and temperate climates. The genus ''Cassytha'' is unique in the Lauraceae in that its members are parasite, parasitic vines. Most laurels are highly poisonous. Overview The family has a worldwide distribution in tropical and warm climates. The Lauraceae are important components of tropical forests ranging from low-lying to Montane forest, montane. In several forested regions, Lauraceae are among the top five families in terms of the number of species present. T ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Berry (botany)
In botany, a berry is a fleshy fruit without a drupe, drupe (pit) produced from a single flower containing one Ovary (botany), ovary. Berries so defined include grapes, Ribes, currants, and tomatoes, as well as cucumbers, eggplants (aubergines), persimmons and bananas, but exclude certain fruits that meet the berry, culinary definition of berries, such as strawberries and raspberries. The berry is the most common type of fleshy fruit in which the entire outer layer of the ovary wall ripens into a potentially edible "pericarp". Berries may be formed from one or more gynoecium, carpels from the same flower (i.e. from a simple or a compound ovary). The seeds are usually embedded in the fleshy interior of the ovary, but there are some non-fleshy exceptions, such as ''Capsicum'' species, with air rather than pulp around their seeds. Many berries are edible, but others, such as the Potato fruit, fruits of the potato and the deadly nightshade, are poisonous to humans. A plant that be ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canary Islands
The Canary Islands (; ) or Canaries are an archipelago in the Atlantic Ocean and the southernmost Autonomous communities of Spain, Autonomous Community of Spain. They are located in the northwest of Africa, with the closest point to the continent being 100 kilometres (62 miles) away. The islands have a population of 2.25 million people and are the most populous overseas Special member state territories and the European Union, special territory of the European Union. The seven main islands are from largest to smallest in area, Tenerife, Fuerteventura, Gran Canaria, Lanzarote, La Palma, La Gomera, and El Hierro. The only other populated island is Graciosa, Canary Islands, La Graciosa, which administratively is dependent on Lanzarote. The archipelago includes many smaller islands and islets, including Alegranza, Islote de Lobos, Isla de Lobos, Montaña Clara, Roque del Oeste, and Roque del Este. It includes a number of rocks, including Roque de Garachico, Garachico and Roques de ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Genus
Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In binomial nomenclature, the genus name forms the first part of the binomial species name for each species within the genus. :E.g. ''Panthera leo'' (lion) and ''Panthera onca'' (jaguar) are two species within the genus ''Panthera''. ''Panthera'' is a genus within the family Felidae. The composition of a genus is determined by taxonomy (biology), taxonomists. The standards for genus classification are not strictly codified, so different authorities often produce different classifications for genera. There are some general practices used, however, including the idea that a newly defined genus should fulfill these three criteria to be descriptively useful: # monophyly – all descendants of an ancestral taxon are grouped together (i.e. Phylogeneti ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Neotropical Realm
The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropics, tropical Ecoregion#Terrestrial, terrestrial ecoregions of the Americas and the entire South American temperate climate, temperate zone. Definition In biogeography, the Neotropic or Neotropical realm is one of the eight terrestrial realms. This realm includes South America, Central America, the Caribbean Islands, and southern North America. In Mexico, the Yucatán Peninsula and southern lowlands, and most of the east and west coastlines, including the southern tip of the Baja California Peninsula are Neotropical. In the United States southern Florida and coastal Central Florida are considered Neotropical. The realm also includes temperate southern South America. In contrast, the Neotropical Phytochorion, Floristic Kingdom excludes southernmost South America, which instead is placed in the Antarctic Floristic Kingdom, Antarctic kingdom. The Neo ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
