Pompia | |
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Pompia fruit | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Sapindales |
Family: | Rutaceae |
Genus: | Citrus |
Species: | |
Variety: | C. m. var. tuberosa |
Trinomial name | |
Citrus medica var. tuberosa Risso (1813) | |
Synonyms | |
Citron varieties |
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Acidic-pulp varieties |
Non-acidic varieties |
Pulpless varieties |
Citron hybrids |
Related articles |
Pompia (Citrus medica var. tuberosa), also called pumpia, sa pompia, spompia, and China citron, is a Citrus hybrid cultivated for its edible fruit. [1] It is a taxonomical synonym of Citrus medica . [2]
Pompia originated and is found only in Sardinia, especially the eastern half, where it can be found growing wild in citrus groves and cultivated in backyards and orchards. [3] The earliest descriptions of it date back to 1780 and it likely originated around 1760 in Milis. [4]
The fruit is moderately large (at least as large as a grapefruit), round and sometimes oblate or square in shape, and has a rough, warty, yellow (green when unripe), thick, and sometimes ribbed rind. It sometimes has a circular depression in the top or bottom. The inner pulp is acidic, yellow, and mostly dry and is generally considered inedible; [5] it has been described as bitter and chewy. It has a subtle fragrance and contains 13–14 wedges with large vesicles. It is usually seedless but may contain one to three polyembryonic seeds which measure 8 to 12 millimeters (0.31 to 0.47 inches) in length and are roughly triangular in shape. It weighs up to 1.5 pounds (0.7 kilograms). The tree is densely branched and grows 2 to 3 meters (6.6 to 9.8 feet) in height and has an expanded and erect posture. The petiole is unwinged and measures 6–10 millimeters in length. The leaves are elliptical in shape and are dark green in color; they are leathery and the apex is rounded in an ovate to lanceolate shape. The margin is entire and the midrib is very defined. The flowers are white in color and are either solitary or in clusters of two to eight; they usually have five petals. They have numerous stamens and dorsifixed anthers, and the stigma is round and green in color and irregularly lobed. The tree fruits from October to February or March. [4]
The fruit has been grown and cultivated for at least two centuries in Sardinia; however, it did not gain international popularity until the 1990s, when a large orchard of pompia trees were planted as part of a social farming project. Since then, it has become a presidium of Slow Food. [6] It is most notably used in sa pompia intrea, a traditional dessert of Siniscola in which the rind of the fruit is candied and then covered with honey and served on an orange leaf. It is also used in various liquors [7] and is sometimes grafted onto sour orange. [4]
Before the parentage was confirmed, the pompia was thought to be a hybrid of a citron and grapefruit or citron and lemon; however, recent studies have proven the pompia to be a hybrid of the citron (Citrus medica) and the sour orange (Citrus aurantium), with the citron being the pollen parent and the sour orange being the seed parent. The variety of the citron parent has not been confirmed, but it is likely a Diamante citron or a common poncire. The pompia is genetically synonymous with the Rhobs el Arsa and Poncire de Collioure citrons. The essential oil composition in the leaf is closer to that of a citron, while the essential oil composition in the zest is closer to that of a sour orange. [1] The major compound in the fruit is limonene at 94%, and it contains smaller amounts of sesquiterpenes and its derivatives. [8] The rind of the fruit contains antioxidant substances [9] and the leaves contain antimicrobial substances that kill Listeria bacteria on foods. [10]
Citrus is a genus of flowering trees and shrubs in the family Rutaceae. Plants in the genus produce citrus fruits, including important crops such as oranges, mandarins, lemons, grapefruits, pomelos, and limes.
The mandarin orange, also known as mandarin or mandarine, is a small, rounded 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-colored citrus fruit consisting of hybrids of mandarin orange with some pomelo contribution.
The citron, 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 and Mediterranean cuisine, traditional medicines, perfume, and religious rituals and offerings. Hybrids of citrons with other citrus are commercially more prominent, notably lemons and many limes.
Bitter orange, sour orange, Seville orange, bigarade orange, or marmalade orange is in a narrow sense the citrus tree Citrus × aurantium and its fruit. It is native to Southeast Asia and has been spread by humans to many parts of the world. It is probably a cross between the pomelo, Citrus maxima, and the mandarin orange, Citrus reticulata.
Citrus limetta, alternatively considered to be a cultivar of Citrus limon, C. limon 'Limetta', is a species of citrus, commonly known as mousami, musami, mosambi, sweet lime, sweet lemon, and sweet limetta, it is a member of the sweet lemons. It is small and round like a common lime in shape. It is a cross between the citron and a bitter orange.
Zest is a food ingredient that is prepared by scraping or cutting from the rind of unwaxed citrus fruits such as lemon, orange, citron, and lime. Zest is used to add flavor to foods.
The ponderosa lemon is a citrus hybrid of a pomelo and a citron. It is not the same as the 'Yuma Ponderosa' lemon-pomelo hybrid used as citrus rootstock.
The Diamante citron is a variety of citron named after the town of Diamante, located in the province of Cosenza, Calabria, on the south-western coast of Italy, which is its most known cultivation point. This is why this variety is sometimes called the "Calabria Esrog". "Esrog" is the Ashkenazi Hebrew name for citron.
The Bizzarria of Florence, which is probably the first graft chimera obtained, is a graft between the Florentine citron and sour orange.
Succade is the candied peel of any of the citrus species, especially from the citron or Citrus medica which is distinct with its extra-thick peel; in addition, the taste of the inner rind of the citron is less bitter than those of the other citrus. However, the term is also occasionally applied to the peel, root, or even entire fruit or vegetable like parsley, fennel and cucurbita which have a bitter taste and are boiled with sugar to get a special "sweet and sour" outcome.
The Yemenite citron is a variety of citron, usually containing no juice vesicles in its fruit's segments. The bearing tree and the mature fruit's size are somewhat larger than the trees and fruit of other varieties of citron.
The Corsican citron is a citron variety that contains a non-acidic pulp.
Citrus macroptera, natively known as hatkhora or cabuyao, Melanesian papeda, or wild orange, is a semi-wild species of citrus native to the Sylhet region of Bangladesh and the Barak Valley Division of the Indian state of Assam.
The lemon is a species of small evergreen tree in the flowering plant family Rutaceae, native to Asia, primarily Northeast India (Assam), Northern Myanmar, and China.
Citrus halimii, or mountain citron, is a citrus with sour fruit. Historically placed within the polyphyletic grouping of papedas, it has since been determined to be a wild species most closely related to the kumquats, and is not related to the true citron. It was first discovered and catalogued in 1973.
The lumia is also called the pear lemon, since its shape resembles a pear. It is also called French lime and sometimes sweet lemon, even though it is not necessarily sweet.
Rhobs al-Arsa is a very popular citrus fruit in Morocco.
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.
Volkamer lemon, often misspelled Volckamer lemon, is known as 沃 尔卡默柠檬 in Chinese, citron de Volkamer in French, limone Volkameriano in Italian, and chanh Volkamer in Vietnamese. It is a Citrus hybrid cultivated for its edible fruit. The specific epithet (volkameriana) honors German botanist Johann Christoph Volkamer. It is a taxonomical synonym of Citrus limon.
Citrus medica × aurantium may refer to one of several hybrids between a citron and sour orange:
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