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Sexual Dimorphism in Physiology and Morphology

  • Chapter
Gender and Sexual Dimorphism in Flowering Plants

Abstract

Sexually dimorphic organisms provide elegant comparative systems in which to study adaptation (Darwin 1859, 1877; Shine 1989; Chap. 4). Their elegance derives from the fact that the sexes of dioecious species are similar in many aspects of their phenotype and biology, even when they differ in some secondary sex characters and in reproductive ecology. It is therefore possible to study the functional significance of dimorphism in morphology, physiology, and behavior while holding much of the rest of the phenotype and ecology constant. By contrast, comparative studies of interspecific differences in form and function may be hampered by confounding differences among species in geography, history (phylogeny), and ecology (Dawson and Bliss 1989; Shine 1989). Even for dioecious taxa, however, the functional significance of dimorphic traits may be difficult to interpret without a comprehensive understanding of gender differences in life history and reproductive biology (Shine 1989).

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Authors
  1. Todd E. Dawson
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  2. Monica A. Geber
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Editors and Affiliations

  1. Section of Ecology and Systematics, Cornell University, 14853-2701, Ithaca, NY, USA

    Monica A. Geber  & Todd E. Dawson  & 

  2. Dept. of Biology, Indiana University, 47405, Bloomington, IN, USA

    Lynda F. Delph

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Dawson, T.E., Geber, M.A. (1999). Sexual Dimorphism in Physiology and Morphology. In: Geber, M.A., Dawson, T.E., Delph, L.F. (eds) Gender and Sexual Dimorphism in Flowering Plants. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-662-03908-3_7

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  • DOI: https://doi.org/10.1007/978-3-662-03908-3_7

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-08424-9

  • Online ISBN: 978-3-662-03908-3

  • eBook Packages: Springer Book Archive

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