Authors
Isabel Marques, Gonzalo Nieto Feliner, David Draper Munt, Maria Amélia Martins‐Loução, Javier Fuertes Aguilar
Publication date
2010/8
Journal
Evolution: International Journal of Organic Evolution
Volume
64
Issue
8
Pages
2353-2368
Publisher
Blackwell Publishing Inc
Description
Evolutionary consequences of natural hybridization between species may vary so drastically depending on spatial, genetic, and ecological factors that multiple approaches are required to uncover them. To unravel the evolutionary history of a controversial hybrid (Narcissus×perezlarae), here we use four approaches: DNA sequences from five regions (four organellar, one nuclear), cytological studies (chromosome counts and genome size), crossing experiments, and niche modeling. We conclude that (1) it actually consists of two different hybrid taxa, N.×perezlarae s.s. (N. cavanillesii×N. miniatus) and N.×alentejanus (N. cavanillesii × N. serotinus); (2) both have been formed several times independently, that is, polytopically; (3) N. cavanillesii was the mother progenitor in most hybridization events. We also address the origin of orphan hybrid populations of N.×perezlarae in eastern Spain, hundreds of …
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