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An integrative view on the systematic position of the cupressophyte Cephalotaxus.

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Title: An integrative view on the systematic position of the cupressophyte Cephalotaxus.
Authors: Yang, Yong1 (AUTHOR) yangyong@njfu.edu.cn, Yang, Zhi1 (AUTHOR), Ferguson, David Kay2 (AUTHOR), Shong, Jia‐Yi1 (AUTHOR)
Source: Ecology & Evolution (20457758). Jul2023, Vol. 13 Issue 7, p1-10. 10p.
Subject Terms: Ovules, Biological classification, Embryology, Cupressaceae, Anatomy
Abstract: We made an in‐depth review of historical studies of the cupressophyte conifer genus Cephalotaxus Siebold & Zucc. with an emphasis on its systematic position. We suggest that the systematic position of the genus is better understood using an integrative approach, so the evolution of phenetic characters is discussed within the context of recent phylogenomics. We propose that the genus should be classified as a separate family Cephalotaxaceae belonging to the clade consisting of Cupressaceae, Cephalotaxaceae, and Taxaceae; the family Cephalotaxaceae is sister to the Taxaceae but not nested within the Taxaceae and is characterized by a unique set of characters including morphology, anatomy, embryology, and chemistry. The family Cephalotaxaceae shows transitional characters between the Cupressaceae and the Taxaceae; the family possesses female cones with a primary cone axis bearing 5–8 pairs of decussate bracts, which is similar to the typical female cones of the Cupressaceae, on the one hand, and may have given rise to the reduced female cone of the Taxaceae with one terminal ovule partially or completely enclosed in a fleshy aril. In parallel, the compound male cone of the Cephalotaxaceae evolved into the seemingly "simple" male cones of the Taxaceae by means of reduction, elimination, and fusion. [ABSTRACT FROM AUTHOR]
Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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PubType: Academic Journal
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  Data: An integrative view on the systematic position of the cupressophyte Cephalotaxus.
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  Data: <searchLink fieldCode="AR" term="%22Yang%2C+Yong%22">Yang, Yong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yangyong@njfu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Yang%2C+Zhi%22">Yang, Zhi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Ferguson%2C+David+Kay%22">Ferguson, David Kay</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shong%2C+Jia‐Yi%22">Shong, Jia‐Yi</searchLink><relatesTo>1</relatesTo> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Ecology+%26+Evolution+%2820457758%29%22">Ecology & Evolution (20457758)</searchLink>. Jul2023, Vol. 13 Issue 7, p1-10. 10p.
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  Data: <searchLink fieldCode="DE" term="%22Ovules%22">Ovules</searchLink><br /><searchLink fieldCode="DE" term="%22Biological+classification%22">Biological classification</searchLink><br /><searchLink fieldCode="DE" term="%22Embryology%22">Embryology</searchLink><br /><searchLink fieldCode="DE" term="%22Cupressaceae%22">Cupressaceae</searchLink><br /><searchLink fieldCode="DE" term="%22Anatomy%22">Anatomy</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: We made an in‐depth review of historical studies of the cupressophyte conifer genus Cephalotaxus Siebold & Zucc. with an emphasis on its systematic position. We suggest that the systematic position of the genus is better understood using an integrative approach, so the evolution of phenetic characters is discussed within the context of recent phylogenomics. We propose that the genus should be classified as a separate family Cephalotaxaceae belonging to the clade consisting of Cupressaceae, Cephalotaxaceae, and Taxaceae; the family Cephalotaxaceae is sister to the Taxaceae but not nested within the Taxaceae and is characterized by a unique set of characters including morphology, anatomy, embryology, and chemistry. The family Cephalotaxaceae shows transitional characters between the Cupressaceae and the Taxaceae; the family possesses female cones with a primary cone axis bearing 5–8 pairs of decussate bracts, which is similar to the typical female cones of the Cupressaceae, on the one hand, and may have given rise to the reduced female cone of the Taxaceae with one terminal ovule partially or completely enclosed in a fleshy aril. In parallel, the compound male cone of the Cephalotaxaceae evolved into the seemingly "simple" male cones of the Taxaceae by means of reduction, elimination, and fusion. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
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  Data: <i>Copyright of Ecology & Evolution (20457758) is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
PLink https://search.ebscohost.com/login.aspx?direct=true&site=eds-live&db=8gh&AN=168592039
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        Value: 10.1002/ece3.10273
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      – Code: eng
        Text: English
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        PageCount: 10
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      – SubjectFull: Ovules
        Type: general
      – SubjectFull: Biological classification
        Type: general
      – SubjectFull: Embryology
        Type: general
      – SubjectFull: Cupressaceae
        Type: general
      – SubjectFull: Anatomy
        Type: general
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      – TitleFull: An integrative view on the systematic position of the cupressophyte Cephalotaxus.
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            NameFull: Ferguson, David Kay
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            – D: 01
              M: 07
              Text: Jul2023
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              Y: 2023
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