Chapter

Continuous Within-Plant Variation of Reiterated Structures: <i>The extent of subindividual variation in continuously varying leaf, flower, fruit, and seed traits is assessed</i>.

Carlos M. Herrera

in Multiplicity in Unity

Published by University of Chicago Press

Published in print November 2009 | ISBN: 9780226327938
Published online February 2013 | e-ISBN: 9780226327952 | DOI: http://dx.doi.org/10.7208/chicago/9780226327952.003.0003
Continuous Within-Plant Variation of Reiterated Structures: The extent of subindividual variation in continuously varying leaf, flower, fruit, and seed traits is assessed.

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This chapter presents an overview of the within-plant variability of continuous structural and morphological traits of reiterated plant structures. It is found that all types of reiterated structures may exhibit considerable levels of continuous within-plant variation, and that, for any given structure, variability varies greatly among species. Comparisons between different structures should ideally be performed on data obtained from the same species and individuals by means of some paired comparison method, in order to avoid possible artifacts due to some combination of phylogenetic correlations and differences in the taxonomic composition of species samples. The results of the comparison between structures differ depending on the metric used to measure variability. Information from cultivated plants reveals that within-plant variation in the chemical composition of seeds can also be extensive.

Keywords: within-plant variability; morphological traits; reiterated plant structures; paired comparison method; phylogenetic correlations; taxonomic composition

Chapter.  10362 words.  Illustrated.

Subjects: Evolutionary Biology

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