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|a 10.1111/nph.19389
|2 doi
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|a eng
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|a López-Martínez, Andrea M
|e verfasserin
|4 aut
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|a Angiosperm flowers reached their highest morphological diversity early in their evolutionary history
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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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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Completed 12.01.2024
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|a Date Revised 05.11.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a © 2023 The Authors. New Phytologist © 2023 New Phytologist Foundation.
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|a Flowers are the complex and highly diverse reproductive structures of angiosperms. Because of their role in sexual reproduction, the evolution of flowers is tightly linked to angiosperm speciation and diversification. Accordingly, the quantification of floral morphological diversity (disparity) among angiosperm subgroups and through time may give important insights into the evolutionary history of angiosperms as a whole. Based on a comprehensive dataset focusing on 30 characters describing floral structure across angiosperms, we used 1201 extant and 121 fossil flowers to measure floral disparity and explore patterns of floral evolution through time and across lineages. We found that angiosperms reached their highest floral disparity in the Early Cretaceous. However, decreasing disparity toward the present likely has not precluded the innovation of other complex traits at other morphological levels, which likely played a key role in the outstanding angiosperm species richness. Angiosperms occupy specific regions of the theoretical morphospace, indicating that only a portion of the possible floral trait combinations is observed in nature. The ANA grade, the magnoliids, and the early-eudicot grade occupy large areas of the morphospace (higher disparity), whereas nested groups occupy narrower regions (lower disparity)
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|a Journal Article
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|a Cretaceous
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|a Paleogene
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| 650 |
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|a ancestral state reconstruction (ASR)
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| 650 |
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|a categorical morphospace
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|a disparity through time
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| 650 |
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4 |
|a floral evolution
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| 700 |
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|a Magallón, Susana
|e verfasserin
|4 aut
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| 700 |
1 |
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|a von Balthazar, Maria
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Schönenberger, Jürg
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Sauquet, Hervé
|e verfasserin
|4 aut
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| 700 |
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|a Chartier, Marion
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t The New phytologist
|d 1979
|g 241(2024), 3 vom: 04. Feb., Seite 1348-1360
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|x 1469-8137
|7 nnns
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|g volume:241
|g year:2024
|g number:3
|g day:04
|g month:02
|g pages:1348-1360
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|u http://dx.doi.org/10.1111/nph.19389
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