Journal
BOTANICAL JOURNAL OF THE LINNEAN SOCIETY
Volume 159, Issue 4, Pages 583-598Publisher
OXFORD UNIV PRESS
DOI: 10.1111/j.1095-8339.2009.00957.x
Keywords
amplified fragment length polymorphism (AFLP); convergent evolution; hybridization; population structure; sexually deceptive orchids; sympatric speciation
Categories
Funding
- Austrian Science Fund [P16727-B03]
- Austrian Academy of Sciences (KIoS)
- Conselho Nacional de Desenvolvimento Cientifico e Tecnologico of Brazil [201332/03-5, 201254/03-4]
- Austrian Science Fund (FWF) [P16727] Funding Source: Austrian Science Fund (FWF)
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Ophrys iricolor and O. mesaritica are a pair of morphologically similar, closely related sexually deceptive orchids from the eastern Mediterranean. Ophrys iricolor is known to be pollinated by Andrena morio males and the specific pollinator of Ophrys mesaritica is determined as Andrena nigroaenea. Amplified fragment length polymorphism revealed O. iricolor and O. mesaritica to be genetically intermixed on the whole, although populations of O. iricolor and O. mesaritica in geographical proximity are strongly differentiated, suggesting that specific pollinators locally differentiate these taxa. Based on the available biological data and the system of pollinator attraction operative in Ophrys, we hypothesize that O. mesaritica may have arisen from O. iricolor by pollinator shift and that this is more probable than scenarios invoking hybridization as a result of mispollination by rare, non-specific flower visitors or specifically attracted insects. (C) 2009 The Linnean Society of London, Botanical Journal of the Linnean Society, 2009, 159, 583-598.
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