Pollen and Spores: Patterns of Diversification

Overview

Pollen and spores are ubiquitous, and preserve exceptionally well. This, and their enormous structural diversity, offers exceptional opportunities for integrating findings from studies of both recent and fossil material, and for developing new insights into the pathways and processes of diversification. This volume brings together both international authorities and younger researchers who have developed novel approaches from such diverse fields as paleobotany, ontogeny, molecular biology, and systematics. Three ...

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Overview

Pollen and spores are ubiquitous, and preserve exceptionally well. This, and their enormous structural diversity, offers exceptional opportunities for integrating findings from studies of both recent and fossil material, and for developing new insights into the pathways and processes of diversification. This volume brings together both international authorities and younger researchers who have developed novel approaches from such diverse fields as paleobotany, ontogeny, molecular biology, and systematics. Three main issues are discussed: the evidence provided by the fossil record, the contribution of ontogenetic data, and the methods of systematic analysis. Of special interest are the sections detailing the most recent findings regarding fossil angiosperms and ontogeny in primitive angiosperms. The information provided will be of great interest and relevance to such disparate disciplines as vegetational history, geology, plant taxonomy and plant evolution.

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Meet the Author

The Natural History Museum

The Natural History Museum

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Table of Contents

1. Palynological Diversity, Stephen Blackmore and Susan H. Barnes
2. Sporogenesis in Simple Land Plants, R.C. Brown and B.E. Lemmon
3. A Review of in situ Spores in Silurian Land Plants, U. Fanning, J.B. Richardson, and D. Edwards
4. Tetrahedralites, Nodospora, and the "Cross" Tetrad: An Accretion of Myth, Jane Gray
5. The Control of Spore Wall Formation, Gerda A. van Uffelen
6. Diversification of Spores in Fossil and Extant Schizaeaceae, Johanna H.A. Van Konijnenburg Van Cittert
7. Diversification of Modern Heterosporous Pteridophytes, Margaret E. Collinson
8. Heterospory: Cul-de-Sac or Pathway to the Seed?, William G. Chaloner and Alan R. Hemsley
9. Diversification of Early Angiosperm Pollen in a Cladistic Context, James A. Doyle and Carol L. Hotton
10. Stamen Diversity and in situ Pollen of Cretaceous Angiosperms, Elsie-Marie Friis, Peter R. Crane, and Kaj Raunsgaard Pedersen
11. Systematic Implications of Comparative Morphology in Selected Tertiary and Extant Pollen from the Palmae and Sapotaceae, M.M. Harley, M.H. Kurmann, and I.K. Ferguson
12. Determining Character Polarites in Pollen, Michael S. Zavada
13. Patterns of Development in Gymnosperm and Angiosperm Pollen, N.I. Gabarayeva
14. A Systematic Analysis of Pollen Morphology of Acanthaceae Genera with Contorted Corollas, Robert Scotland
15. Characterizing Pollen Sculpture of Three Closely Related Capparaceae Species using Quantitative Image Analysis of Scanning Electron Micrographs, Edward L. Vezey, John J. Skvarla and Staria S. Vanderpool
16. Diversification and Evolution of the Tapetum, E. Pacini and G.G. Franchi
17. Development of Tapetum and Orbicules of Catharanthus roseus (Apocynaceae), G. El-Ghazaly and S. Nilsson
18. Structural and Functional Variations in Pollen Intines, J. Heslop-Harrison and Y. Heslop-Harrison
19. The Evolution of Gametes-from Motility to Double Fertilization, R. Bruce Knox and Sophie C. Ducker
20. Underwater Pollination, Three-Dimensional Search, and Pollen Morphology: Predictions from a Supercomputer Analysis, Paul Alan Cox, Scott Cromer, and Tyler Jarvis

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