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Citrus paradisi (Grapefruit, pink) white bg.jpg
Grapefruit, hybrid citrus.
Scienteefic clessification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Eudicots
(unranked): Rosids
Order: Sapindales
Family: Rutaceae
Genus: Citrus
Species: C. × paradisi
Binomial name
Citrus × paradisi

The grapefruit (Citrus × paradisi) is a subtropical citrus tree kent for its sour tae semi-sweet fruit, an 18t-century hybrid first bred in Barbados.[1] When foond, it wis named the "forbidden fruit";[2] an it haes an aa been misidentified wi the pomelo or shaddock (C. maxima), ane o the parents o this hybrid, the ither bein sweet orange (C. × sinensis).[3]

These evergreen trees uisually grow tae aroond 5–6 meters (16–20 ft) taw, altho thay can reach 13–15 meters (43–49 ft). The leaves are dark green, lang (up tae 150 mm, 6 inches) an thin. It produces 5 cm (2 in) white fower-petaled flouers. The fruit is yellae-orange skinned an largely an oblate spheroid; it ranges in diameter frae 10–15 cm. The flesh is segmented an acidic, varyin in colour dependin on the cultivars, which include white, pink an red pulps o varyin sweetness (generally, the redder varieties are sweeter). The 1929 US Ruby Red (o the Redblush variety) haes the first grapefruit patent.[4]

References[eedit | eedit soorce]

  1. Carrington, Sean; Fraser, HenryC (2003). "Grapefruit". A~Z of Barbados Heritage. Macmillan Caribbean. pp. 90–91. ISBN 0-333-92068-6. One of many citrus species grown in Barbados. This fruit is believed to have originated in Barbados as a natural cross between sweet orange (C. sinesis) and Shaddock (C. grandis), both of which were introduced from Asia in the seventeenth century. The grapefruit first appeared as an illustration entitled 'The Forbidden Fruit Tree' in the Rev. Griffith Hughes' The Natural History of Barbados (1750). This accords with the scientific name which literally is 'citrus of paradise'. The fruit was obviously fairly common around that time since George Washington in his Barbados Journal (1750-1751) mentions 'the Forbidden Fruit' as one of the local fruit available at a dinner party he attended. The plant was later described in the 1837 Flora of Jamaica as the Barbados Grapefruit. The historical arguments and experimental work on leaf enzymes and oils from possible parents all support a Barbadian origin for the fruit. 
  2. Dowling, Curtis F.; Morton, Julia Frances (1987). Fruits of warm climates. Miami, FL: J. F. Morton. ISBN 0-9610184-1-0. OCLC 16947184. 
  3. Li, Xiaomeng; Xie R., Lu Z., Zhou Z. (July 2010). "The Origin of Cultivated Citrus as Inferred from Internal Transcribed Spacer and Chloroplast DNA Sequence and Amplified Fragment Length Polymorphism Fingerprints". Journal of the American Society for Horticultural Science 135 (4): 341. Retrieved 27 February 2013. 
  4. Texas grapefruit history, TexaSweet. Retrieved 2 July 2008.