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The Application of Sex Allocation Theory to Heterostylous Plants

  • Chapter
Evolution and Function of Heterostyly

Part of the book series: Monographs on Theoretical and Applied Genetics ((GENETICS,volume 15))

Abstract

Sex allocation theory predicts the evolutionarily stable sex ratio in dioecious species, the allocation of resources to male vs. female function in simultaneous hermaphrodites, and the time and order of sex change in sequential hermaphrodites (Charnov 1982). In all of these problems, phenotypic fitness is frequency-dependent, and the equilibrium proportion of phenotypes, the evolutionarily stable strategy (Maynard Smith 1982), often satisfies a certain optimality principle (Charnov 1979, 1982, 1987; Charnov and Bull 1986). Casper and Charnov (1982) and Taylor (1984) applied sex allocation theory to heterostylous plants. Because heterostylous populations consist of two or three hermaphroditic (style length) morphs, there are two sex allocation problems in this system — the optimal allocation to pollen and seed production in each morph and the equilibrium morph ratio.

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Author information

Authors and Affiliations

  1. Department of Biology, University of Pennsylvania, Philadelphia, PA, 19104-6018, USA

    B. B. Casper

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  1. B. B. Casper
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Editor information

Editors and Affiliations

  1. Department of Botany, University of Toronto, Toronto, Ontario, M5S 3B2, Canada

    Spencer C. H. Barrett

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© 1992 Springer-Verlag Berlin Heidelberg

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Casper, B.B. (1992). The Application of Sex Allocation Theory to Heterostylous Plants. In: Barrett, S.C.H. (eds) Evolution and Function of Heterostyly. Monographs on Theoretical and Applied Genetics, vol 15. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-86656-2_8

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  • DOI: https://doi.org/10.1007/978-3-642-86656-2_8

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-86658-6

  • Online ISBN: 978-3-642-86656-2

  • eBook Packages: Springer Book Archive

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