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centre of origin

centre of origin A geographical location or local region (often in the tropics) where a particular group of organisms is believed to have originated. Many authorities believe centres of origin are also centres of diversity. For example, there are 6 genera of Palmae (palms) in the lower part of the Amazon basin, twice the number found anywhere else. It is difficult, however, to reconcile this explanation of centres of origin with the concept of allopatric speciation.

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"centre of origin." A Dictionary of Plant Sciences. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

"centre of origin." A Dictionary of Plant Sciences. . Encyclopedia.com. (August 20, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/centre-origin-0

"centre of origin." A Dictionary of Plant Sciences. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/centre-origin-0

centre of origin

centre of origin The region where a particular group of organisms is believed to have originated. Many authorities believe centres of origin are also centres of diversity. For example, the tropical timber-tree family Dipterocarpaceae is strongly concentrated in the Malay Peninsula, Sumatra, and Borneo, although it ranges from Africa to New Guinea. It is difficult, however, to reconcile this explanation of centres of origin with the concept of allopatric speciation.

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"centre of origin." A Dictionary of Ecology. . Encyclopedia.com. 20 Aug. 2017 <http://www.encyclopedia.com>.

"centre of origin." A Dictionary of Ecology. . Encyclopedia.com. (August 20, 2017). http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/centre-origin

"centre of origin." A Dictionary of Ecology. . Retrieved August 20, 2017 from Encyclopedia.com: http://www.encyclopedia.com/science/dictionaries-thesauruses-pictures-and-press-releases/centre-origin