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Citron
The citron (''Citrus medica''), historically cedrate, is a large fragrant citrus fruit with a thick rind. It is said to resemble a 'huge, rough lemon'. It is one of the original citrus fruits from which all other citrus types developed through natural hybrid speciation or artificial hybridization. Though citron cultivars take on a wide variety of physical forms, they are all closely related genetically. It is used in Asian cuisine, traditional medicines, perfume, and religious rituals and offerings. Hybrids of citrons with other citrus are commercially more prominent, notably lemons and many limes. Etymology The fruit's English name "citron" derives ultimately from Latin, ''citrus'', which is also the origin of the genus name. Other languages A source of confusion is that '' citron'' in French and English are false friends, as the French word refers to the lemon, while the English word is translated ''cédrat''. Indeed, into the 16th century, the English name ''citron'' ...
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Citrus Taxonomy
Citrus taxonomy refers to the botanical classification of the species, varieties, cultivars, and graft hybrids within the genus ''Citrus'' and related genera, found in cultivation and in the wild. Citrus taxonomy is complex and controversial. Cultivated citrus are derived from various citrus species found in the wild. Some are only selections of the original wild types, many others are hybrids between two or more original species, and some are backcrossed hybrids between a hybrid and one of the hybrid's parent species. Citrus plants hybridize easily between species with completely different morphologies, and similar-looking citrus fruits may have quite different ancestries. Some differ only in disease resistance. Conversely, different-looking varieties may be nearly genetically identical, and differ only by a bud mutation. Detailed genomic analysis of wild and domesticated citrus cultivars has suggested that the progenitor of modern citrus species expanded out of the Himalay ...
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Citrus
''Citrus'' is a genus of flowering trees and shrubs in the rue family, Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, lemons, grapefruits, pomelos, and limes. The genus ''Citrus'' is native to South Asia, East Asia, Southeast Asia, Melanesia, and Australia. Various citrus species have been used and domesticated by indigenous cultures in these areas since ancient times. From there its cultivation spread into Micronesia and Polynesia by the Austronesian expansion (c. 3000–1500 BCE); and to the Middle East and the Mediterranean (c. 1200 BCE) via the incense trade route, and onwards to Europe and the Americas. History Citrus plants are native to subtropical and tropical regions of Asia, Island Southeast Asia, Near Oceania, and northeastern Australia. Domestication of citrus species involved much hybridization and introgression, leaving much uncertainty about when and where domestication first happened. A genomic, phylo ...
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Mandarin Orange
The mandarin orange (''Citrus reticulata''), also known as the mandarin or mandarine, is a small citrus tree fruit. Treated as a distinct species of orange, it is usually eaten plain or in fruit salads. Tangerines are a group of orange-coloured citrus fruit consisting of hybrids of mandarin orange with some pomelo contribution. Mandarins are smaller and oblate, unlike the spherical common oranges (which are a mandarin– pomelo hybrid). The taste is considered sweeter and stronger than the common orange. A ripe mandarin is firm to slightly soft, heavy for its size, and pebbly-skinned. The peel is thin, loose, with little white mesocarp, so they are usually easier to peel and to split into segments. Hybrids usually have these traits to a lesser degree. The mandarin is tender and is damaged easily by cold. It can be grown in tropical and subtropical areas. According to genetic studies, the mandarin was one of the original citrus species; through breeding or natural hy ...
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Lemon
The lemon (''Citrus limon'') is a species of small evergreen trees in the flowering plant family Rutaceae, native to Asia, primarily Northeast India (Assam), Northern Myanmar or China. The tree's ellipsoidal yellow fruit is used for culinary and non-culinary purposes throughout the world, primarily for its juice, which has both culinary and cleaning uses. The pulp and rind are also used in cooking and baking. The juice of the lemon is about 5% to 6% citric acid, with a pH of around 2.2, giving it a sour taste. The distinctive sour taste of lemon juice makes it a key ingredient in drinks and foods such as lemonade and lemon meringue pie. History The origin of the lemon is unknown, though lemons are thought to have first grown in Assam (a region in northeast India), northern Myanmar or China. A genomic study of the lemon indicated it was a hybrid between bitter orange (sour orange) and citron. Lemons are supposed to have entered Europe near southern Italy no later ...
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Papeda (citrus)
Papeda or papaeda is the common name for a group of ''Citrus'' species and varieties native to tropical Asia that are hardy and slow-growing, and produce unpalatable fruit. Walter Tennyson Swingle segregated these species into a separate subgenus, ''Papeda'', that included the Ichang lemon, yuzu, kaffir lime, kabosu, sudachi, and a number of wild and uncultivated species and hybrids. Recent genetic analysis shows the papedas to be distributed among distinct branches of the ''Citrus'' phylogenetic tree, and hence Swingle's proposed subgenus is polyphyletic and not a valid taxonomic grouping, but the term persists as a common name. Because of generally slow growth and bitter, less palatable fruits than in other citruses, papeda species have only limited commercial cultivation. Some species, like ichang papeda, are used in landscaping, while others are important for rootstocking and as genome source for breeding disease-resistant and frost-hardy citrus hybrids. In some cases th ...
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Kumquat
Kumquats (; zh, 金桔), or cumquats in Australian English, are a group of small fruit-bearing trees in the flowering plant family Rutaceae. Their taxonomy is disputed. They were previously classified as forming the now-historical genus ''Fortunella'' or placed within ''Citrus'', . Different classifications have alternatively assigned them to anywhere from a single species, ''C. japonica'', to numerous species representing each cultivar. Recent genomic analysis would define three pure species, ''Citrus hindsii'', ''C. margarita'' and ''C. crassifolia'', with ''C. x japonica'' being a hybrid of the last two. The edible fruit closely resembles the orange (''Citrus sinensis'') in color and shape but is much smaller, being approximately the size of a large olive. The kumquat is a fairly cold-hardy citrus. Etymology The English name "kumquat" is a borrowing of the Cantonese ''gāmgwāt'' (). Origin The kumquat plant is native to Southern China. The historical reference t ...
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Lime (fruit)
A lime (from French ''lime'', from Arabic ''līma'', from Persian ''līmū'', "lemon") is a citrus fruit, which is typically round, green in color, in diameter, and contains acidic juice vesicles. There are several species of citrus trees whose fruits are called limes, including the Key lime (''Citrus aurantiifolia''), Persian lime, Makrut lime, and desert lime. Limes are a rich source of vitamin C, are sour, and are often used to accent the flavours of foods and beverages. They are grown year-round. Plants with fruit called "limes" have diverse genetic origins; limes do not form a monophyletic group. Plants known as "lime" The difficulty in identifying exactly which species of fruit are called lime in different parts of the English-speaking world (and the same problem applies to synonyms in other European languages) is increased by the botanical complexity of the citrus genus itself, to which the majority of limes belong. Species of this genus hybridise readily, and it ...
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Thyine Wood
classic drawing of the tree Thyine wood is a 15th-century English name for a wood from the tree known botanically as ''Tetraclinis articulata'' (syn. ''Callitris quadrivalvis'', ''Thuja articulata''). The name is derived from the Greek word ''thuon'', "fragrant wood," or possibly ''thuein'', “to sacrifice”, and it was so called because it was burnt in sacrifices, on account of its fragrance. In Rome, wood from this tree was called ''citrum'', "citrus wood". It was considered very valuable, and was used for making articles of furniture by the Greeks and Romans. Craftsmen who worked in citrus wood and ivory had their own guild ''(collegium)''.''Eborarii'' and ''citriarii'': Koenraad Verboven, "The Associative Order: Status and Ethos among Roman Businessmen in Late Republic and Early Empire," ''Athenaeum'' 95 (2007), preprint p. 21. Thyine wood is mentioned in the King James Version of the Bible at Revelation 18:12 as being among the articles which would cease to be purchased wh ...
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Cedrus
''Cedrus'', common English name cedar, is a genus of coniferous trees in the plant family Pinaceae (subfamily Abietoideae). They are native to the mountains of the western Himalayas and the Mediterranean region, occurring at altitudes of 1,500–3,200 m in the Himalayas and 1,000–2,200 m in the Mediterranean.Farjon, A. (1990). ''Pinaceae. Drawings and Descriptions of the Genera''. Koeltz Scientific Books . Description ''Cedrus'' trees can grow up to 30–40 m (occasionally 60 m) tall with spicy-resinous scented wood, thick ridged or square-cracked bark, and broad, level branches. The shoots are dimorphic and are made up of long shoots, which form the framework of the branches, and short shoots, which carry most of the leaves. The leaves are evergreen and needle-like, 8–60 mm long, arranged in an open spiral phyllotaxis on long shoots, and in dense spiral clusters of 15–45 together on short shoots; they vary from bright grass-green to dark gre ...
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Tetraclinis Articulata
''Tetraclinis'' (also called arar, araar or Sictus tree) is a genus of evergreen coniferous trees in the cypress family Cupressaceae, containing only one species, ''Tetraclinis articulata'', also known as Thuja articulata,Memidex: sandarac (wood)
Retrieved 2012-05-16
sandarac, sandarac tree or Barbary thuja, to the western . It is native to northwestern Africa in the of

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Pomelo
The pomelo ( ), ''Citrus maxima'', is the largest citrus fruit from the family Rutaceae and the principal ancestor of the grapefruit. It is a natural, non-hybrid, citrus fruit, native to Southeast Asia. Similar in taste to a sweet grapefruit, the pomelo is commonly consumed and used for festive occasions throughout Southeast Asia. As with the grapefruit, phytochemicals in the pomelo have the potential for drug interactions. Etymology and common names According to the Oxford English Dictionary, the etymology of the word "pomelo" is uncertain. It may be derived from Dutch ''pompelmoes''. Its botanical name, ''Citrus maxima'', means "the biggest citrus". In English, the word "pomelo" (also spelled pummelo, pumelo, pomello, pommelo) has become the more common name, although "pomelo" has historically been used for grapefruit. After introduction to Barbados by 'Captain Shaddock' of the East India Company (apparently Philip Chaddock, who visited the island in the late 1640s), ...
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Map Of Inferred Original Wild Ranges Of The Main Citrus Cultivars, And Selected Relevant Wild Taxa (Fuller Et Al
A map is a symbolic depiction emphasizing relationships between elements of some space, such as objects, regions, or themes. Many maps are static, fixed to paper or some other durable medium, while others are dynamic or interactive. Although most commonly used to depict geography, maps may represent any space, real or fictional, without regard to context or scale, such as in brain mapping, DNA mapping, or computer network topology mapping. The space being mapped may be two dimensional, such as the surface of the earth, three dimensional, such as the interior of the earth, or even more abstract spaces of any dimension, such as arise in modeling phenomena having many independent variables. Although the earliest maps known are of the heavens, geographic maps of territory have a very long tradition and exist from ancient times. The word "map" comes from the , wherein ''mappa'' meant 'napkin' or 'cloth' and ''mundi'' 'the world'. Thus, "map" became a shortened term referrin ...
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