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Key questions and challenges in angiosperm macroevolution.

Hervé Sauquet1,2, Susana Magallón3

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The New Phytologist
|March 27, 2018
PubMed
Summary
This summary is machine-generated.

The origin and diversification of angiosperms (flowering plants) remain intriguing evolutionary biology topics. New macroevolutionary methods offer opportunities to explore key questions about their diversification, aided by integrated models and fossil record sampling.

Keywords:
angiospermsdiversificationextinctionfossil recordmacroevolutionmorphologyphylogenetic comparative methodstrait evolution

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Area of Science:

  • Evolutionary Biology
  • Paleobotany
  • Genomics

Background:

  • The origin and rapid diversification of angiosperms (flowering plants) is a central question in evolutionary biology.
  • Despite advances in paleobotany, phylogenetics, ecology, evo-devo, and genomics, significant questions persist regarding angiosperm evolution.
  • Key questions include the impact of mass extinctions on diversification, whether angiosperms represent an adaptive radiation, and the tempo of morphological evolution.

Purpose of the Study:

  • To propose that recent advancements in macroevolutionary methods can address long-standing questions about angiosperm origins and diversification.
  • To present six key questions for exploring angiosperm evolutionary history.
  • To identify three critical challenges hindering progress in this field.

Main Methods:

  • Proposing the use of a revolution in macroevolutionary methods.
  • Outlining six key questions to guide future research.
  • Identifying three major challenges that need to be overcome.

Main Results:

  • Six key questions regarding angiosperm origin and diversification are presented.
  • Three significant challenges are identified: (1) developing integrative models, (2) creating standardized morphological databases, and (3) advancing paleobotanical practices for fossil record sampling.
  • The study highlights the potential of new methods to unlock insights into present-day biodiversity.

Conclusions:

  • Addressing the identified challenges is crucial for advancing our understanding of angiosperm evolutionary history.
  • Integrative models, comprehensive databases, and enhanced fossil record exploration are essential.
  • These efforts promise to yield important clues about the origins and diversification of flowering plants and biodiversity.