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    Parallelism in Flower Evolution and Development

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    Wessinger_et_al_2020.pdf (7.899Mb)
    Issue Date
    2020-08-17
    Author
    Wessinger, Carolyn A.
    Hileman, Lena C.
    Publisher
    Annual Reviews
    Type
    Article
    Article Version
    Article
    Published Version
    http://www.annualreviews.org/eprint/CY9YT2JBQMP9I8WBJPXT/pdf/10.1146/annurev-ecolsys-011720-124511
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    Copyright © 2020 by Annual Reviews. All rights reserved
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    Abstract
    Flower evolution is characterized by widespread repetition, with adaptations to pollinator environment evolving in parallel. Recent studies have expanded our understanding of the developmental basis of adaptive floral novelties—petal fusion, bilateral symmetry, heterostyly, and floral dimensions. In this article, we describe patterns of trait evolution and review developmental genetic mechanisms underlying floral novelties. We discuss the diversity of mechanisms for parallel adaptation, the evidence for constraints on these mechanisms, and how constraints help explain observed macroevolutionary patterns. We describe parallel evolution resulting from similarities at multiple hierarchical levels—genetic, developmental, morphological, functional—which indicate general principles in floral evolution, including the central role of hormone signaling. An emerging pattern is mutational bias that may contribute to rapid patterns of parallel evolution, especially if the derived trait can result from simple degenerative mutations. We argue that such mutational bias may be less likely to govern the evolution of novelties patterned by complex developmental pathways.
    Description
    Posted with permission from the Annual Review of Ecology, Evolution, and Systematics, v.51. Copyright by Annual Reviews, http://www.annualreviews.org
    URI
    http://hdl.handle.net/1808/30758
    DOI
    https://doi.org/10.1146/annurev-ecolsys-011720-124511
    Collections
    • Ecology & Evolutionary Biology Scholarly Works [1492]
    Citation
    Wessinger, C.A., Hileman, L.C. 2020. Parallelism in Flower Evolution and Development in Annual Review of Ecology, Evolution, and Systematics 51:1. doi; 10.1146/annurev-ecolsys-011720-124511

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    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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