Title |
Pollinator shifts as triggers of speciation in painted petal irises (Lapeirousia: Iridaceae)
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Published in |
Annals of Botany, December 2013
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DOI | 10.1093/aob/mct248 |
Pubmed ID | |
Authors |
Félix Forest, Peter Goldblatt, John C. Manning, David Baker, Jonathan F. Colville, Dion S. Devey, Sarah Jose, Maria Kaye, Sven Buerki |
Abstract |
Adaptation to different pollinators has been hypothesized as one of the main factors promoting the formation of new species in the Cape region of South Africa. Other researchers favour alternative causes such as shifts in edaphic preferences. Using a phylogenetic framework and taking into consideration the biogeographical scenario explaining the distribution of the group as well as the distribution of pollinators, this study compares pollination strategies with substrate adaptations to develop hypotheses of the primary factors leading to speciation in Lapeirousia (Iridaceae), a genus of corm-bearing geophytes well represented in the Cape and presenting an important diversity of pollination syndromes and edaphic preferences. |
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