publication . Other literature type . Article . 1997

Hybrid Origins of Plant Species

Loren H. Rieseberg;
Open Access
  • Published: 01 Nov 1997
  • Publisher: Annual Reviews
Abstract
The origin of new homoploid species via hybridization is theoretically difficult because it requires the development of reproductive isolation in sympatry. Nonetheless, this mode is often and carelessly used by botanists to account for the formation of species that are morphologically intermediate with respect to related congeners. Here, I review experimental, theoretical, and empirical studies of homoploid hybrid speciation to evaluate the feasibility, tempo, and frequency of this mode. Theoretical models, simulation studies, and experimental syntheses of stabilized hybrid neospecies indicate that it is feasible, although evolutionary conditions are stringent. ...
Subjects
free text keywords: Ecology, Hybrid, Introgression, Speciation, media_common.quotation_subject, media_common, Selfing, Hybrid speciation, Sympatry, Reproductive isolation, Zoology, Hybrid zone, Biology
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