1: Historical Perspective. - 1. Discovery of the Secret of Nature in the Structure and Fertilization of Flowers. - 2. Christian Konrad Sprengel's Theory of the Flower: The Cradle of Floral Ecology. - 2: Conceptual Issues. - 3. Floral Traits and Plant Adaptation to Insect Pollinators: A Devil's Advocate Approach. - 4. How Do Flowers Diverge?. - 5. Floral Longevity: Fitness Consequences and Resource Costs. - 6. Pollen Dispersal and Mating Patterns in Animal-Pollinated Plants. - 7. The Ecology of Geitonogamous Pollination. - 8. Flower Size Dimorphism in Plants with Unisexual Flowers. - 3: Model Systems. - 9. Evolution of Floral Morphology and Function: An Integrative Approach to Adaptation Constraint and Compromise in Dalechampia (Euphorbiaceae). - 10. The Evolution of Floral Form: Insights from an Alpine Wildflower Polemonium viscosum (Polemoniaceae). - 11. Deceit Pollination in the Monoecious Neotropical Herb Begonia oaxacana (Begoniaceae). - 12. Reproductive Success and Gender Variation in Deceit-Pollinated Orchids. - 13. Stylar Polymorphisms and the Evolution of Heterostyly in Narcissus (Amaryllidaceae). - 14. Evolution of Campanula Flowers in Relation to Insect Pollinators on Islands. - Taxonomic Index. Language: English