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Revista mexicana de ciencias agrícolas

versão impressa ISSN 2007-0934


GARCIA DIAZ, Roger; CUEVAS SANCHEZ, Jesús Axayacatl; SEGURA LEDESMA, Sergio  e  BASURTO PENA, Francisco. Panbiogoegraphic analysis of Diospyros spp. (Ebenaceae) in Mexico. Rev. Mex. Cienc. Agríc [online]. 2015, vol.6, n.1, pp.187-200. ISSN 2007-0934.

Diospyros (Ebenaceae) consists of about 500 species, 120 are in America and more than 20 in Mexico. Its distribution is tropical and is held to have been originated in western Gondwana. This study is an analysis of the geographical distribution of 1452 collection sites of 20 species integrated into the Global Biodiversity Information Facility (GBIF), with a panbiogeographic perspective; using a combined method for the analysis of strokes and two parsimony analysis of endemism associated with the map of Mexico’s bioeographyc regions and vegetation types. The main distribution of the genus is in the centre and south of the country as a typical neo-tropical element. From the individual strokes, two main nodes were obtained, the first one in central Veracruz and the second one in north-eastern Yucatan peninsula. Parsimony analysis groups the provinces of Yucatan, Petén, Gulf of Mexico, the Balsas Depression, Pacific Coast, Sierra Madre Oriental, Volcanic Belt, Sierra Madre del Sur, Oaxaca and Zacatecas-Potosi Altiplano in one group. This group is joint with the Mesoamerican and Antillean domain and the Mexican Mountain domain or Mexican Transition Zone. The analysis of the sites showed the presence of tropical forests as basal groups. The results support the theory of their origin and ideas on their geographic and biological diversification, involving dispersalist and vicariant events related to geological events such as the formation of the Transverse Volcanic Belt. Most of these species are widely distributed and found in more than one province, being the Pacific Coast, the Gulf of Mexico and the Volcanic Belt those with greater richness: 12 species each. Our premise is that, Diospyros joints with the migration of species from the Neo-tropical region towards the Mexican Transitional Zone.

Palavras-chave : Diospyros; Gondwada; endemisms; panbiogeographic; parsimony.

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