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Floral biometry, floral rewards and pollen-ovule ratios in some Vicia from Extremadura, Spain

Published online by Cambridge University Press:  26 April 2010

A. Ortega Olivencia ,
S. Ramos ,
T. Rodríguez  and
J. A. Devesa
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Abstract

A biometric study of the flower, floral rewards (nectar and pollen) and pollen-ovule ratios in 14 taxa of Vicia (Fabaceae) from Extremadura (Spain) has been evaluated. Almost all floral characteristics are directly correlated and it has been found that flower size is a good indicator of the reward production, and the pollen-ovule ratios are positively correlated to seed size. A direct correlation between pollen size (volume) and style length has likewise been observed. This may show the importance of the pollen food reserves in sustaining the growth of its pollen tube along the style.

Keywords

Fabaceaeflower sizenectarpollen productionpollen size
Type
Articles
Information
Edinburgh Journal of Botany , Volume 54 , Issue 1 , March 1997 , pp. 39 - 53
Copyright
Copyright © Trustees of the Royal Botanic Garden Edinburgh 1997

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References

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