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Pinus cubensis
''Pinus cubensis'', or Cuban pine, is a pine endemic to the eastern highlands of the island of Cuba, inhabiting both Sierra Nipe-Cristal and Sierra Maestra.
The closely related Hispaniolan pine (''P. occidentalis''), native to the neighboring island of Hispaniola, is treated as synonymous by some botanists. Modern systematic studies recognize ''P. cubensis'' it as a valid species,〔Farjon, A. 1997: ''Pinus (Pinaceae)'', Flora Neotropica, Monograph 75 (together with Brian T. Styles). New York : The New York Botanical Garden. ISBN 0-89327-411-9〕 nevertheless, there is disagreement about whether the Sierra Maestra populations in the south are part of ''P. cubensis'' or conform another species named ''Pinus maestrensis''.〔López-Almirall A. 1982. Variabilidad del Género ''Pinus'' (Coniferales: Pinaceae) en Cuba. ''Acta Botánica Cubana'' 12: 1–32.〕
The Sierra Nipe-Cristal and Sierra Maestra population may have diverged recently, as indicated by recent genetic studies that have found some ancestral genetic lineages that are shared among the two regions and only some rare variants exclusive for each region.〔Jardón-Barbolla, L., Delgado-Valerio, P., Geada-López, G., Vázquez-Lobo, A., & Pinero D. (2011). Phylogeography of ''Pinus'' subsection ''Australes'' in the Caribbean Basin. ''Annals of Botany'' 107: 229-241.〕
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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