Overview

Secondary pollen presentation is presentation of pollen to vectors by structures other than anthers, either passively or via a specialized protection and delivery system. The main part of the book describes secondary pollen presentation genus-by-genus in 25 families. The subject has never been extensively reviewed, although secondary pollen presentation occurs in the largest family of flowering plants, the Asteraceae (Compositae), and a large family of great economic importance, the Leguminosae. Now material from the scattered literature is brought together and supplemented with original observations. Many species are illustrated and each family is individually discussed. The last two chapters provide an overview of the whole topic. All the main functions that secondary pollen presentation may perform can be carried out in other plants without it. It is concluded from this that the evolution of secondary pollen presentation has been subject to constraint and canalization. The floral biology of most plants with secondary pollen presentation has not been adequately studied. Appendix 1 points to a wide range of topics on which research at various technical and academic levels is needed. The book should also become a reference work for morphologists, systematists, and floral ecologists.

Full Product Details

Author:   P.F. Yeo
Publisher:   Springer Verlag GmbH
Imprint:   Springer Verlag GmbH
Edition:   Softcover reprint of the original 1st ed. 1993
Volume:   6
Dimensions:   Width: 21.00cm , Height: 1.50cm , Length: 29.70cm
Weight:   0.740kg
ISBN:  

9783709173756

ISBN 10:   3709173752
Pages:   269
Publication Date:   06 October 2012
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   In Print  
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Table of Contents

1. Introduction and explanations.- 1. Definition and scope.- 2. Sources of information.- 3. Terminology.- 4. Standardized summaries of secondary pollen presentation.- 2. Descriptions of secondary pollen presentation.- Magnoliidae Magnoliales Myristicaceae.- Dilleniidae Malvales Sterculiaceae.- Rosidae Fabales Leguminosae.- Asteridae Gentianales Apocynaceae.- Alismatidae Hydrocharitales Hydrocharitaceae.- Commenlinidae Commelinales Xyridaceae.- Liliidae Liliales Liliaceae.- Addendum: Dipsacales, Calyceraceae.- 3. General discussion.- 1. Preamble.- 2. Functions of secondary pollen presentation.- 3. Evidence for pollen-saving.- 4. Ways of preventing selfing.- 5. Stigmatic membranes.- 6. Pollen longevity and secondary pollen presentation.- 7. Pollen flowers.- 8. Adhesives.- 9. Structures involved in secondary pollen presentation in relation to taxonomic position.- 10. Type of pollen presentation in relation to taxonomic position.- 11. Evolution of secondary pollen presentation: constraint and canalization.- 12. Speculations on courses of evolution.- 4. Summary and conclusions.- References.- Appendix 1. Possibilities for future research.- Appendix 2. Coded summaries tabulated.- Index of plant names.

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