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|a 10.1111/nph.19780
|2 doi
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|a eng
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|a Romero-Bravo, Andrés
|e verfasserin
|4 aut
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| 245 |
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|a Nectar and floral morphology differ in evolutionary potential in novel pollination environments
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 20.06.2024
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|a Date Revised 20.07.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2024 The Authors. New Phytologist © 2024 New Phytologist Foundation.
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|a Plants can evolve rapidly after pollinator changes, but the response of different floral traits to novel selection can vary. Floral morphology is often expected to show high integration to maintain pollination accuracy, while nectar traits can be more environmentally sensitive. The relative role of genetic correlations and phenotypic plasticity (PP) in floral evolution remains unclear, particularly for nectar traits, and can be studied in the context of recent pollinator changes. Digitalis purpurea shows rapid recent evolution of corolla morphology but not nectar traits following a range expansion with hummingbirds added as pollinators. We use this species to compare PP, heritability, evolvability and integration of floral morphology and nectar in a common garden. Morphological traits showed higher heritability than nectar traits, and the proximal section of the corolla, which regulates access to nectar and underwent rapid change in introduced populations, presented lower integration than the rest of the floral phenotype. Nectar was more plastic than morphology, driven by highly plastic sugar concentration. Nectar production rate showed high potential to respond to selection. These results explain the differential rapid evolution of floral traits previously observed in this species and show how intrafloral modularity determines variable evolutionary potential in morphological and nectar traits
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|a Journal Article
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|a evolvability
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| 650 |
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|a floral evolution
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| 650 |
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|a heritability
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| 650 |
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|a integration
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| 650 |
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|a plasticity
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| 650 |
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|a quantitative genetics
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|a Plant Nectar
|2 NLM
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|a Castellanos, Maria Clara
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 243(2024), 2 vom: 02. Juli, Seite 753-764
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|x 1469-8137
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|g volume:243
|g year:2024
|g number:2
|g day:02
|g month:07
|g pages:753-764
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|u http://dx.doi.org/10.1111/nph.19780
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