PART I : Geology and Evolution
CHAPTER 1 Environmental History of the Sonoran Desert
Thomas R. Van Devender
CHAPTER 2 Phytogeography of the Columnar Cacti (Tribe Pachycereeae)
in Mexico: A Cladistic Approach
Patrica Dtvila-Aranda, Salvador Arias-Montes, Rafael Lira-Saade,
Jose Luis Villaseior, and Alfonso Valiente-Banuet
CHAPTER 3 The Phylogeny and Systematics of Columnar Cacti:
An Overview
Robert S. Wallace
CHAPTER 4 Phylogenetic Relationships of Pachycereeae: A Cladistic
Analysis Based on Anatomical-Morphological Data
Teresa Terrazas and Sofia Loza-Cornejo
CHAPTER 5 Phylogeny and Convergence in Cactophilic Bats
Nancy B. Simmons andAndrea L. Wetterer
CHAPTER 6 Genetic Diversity in Columnar Cacti
J. L. Hamrick, John D. Nason, Theodore H. Fleming,
and Jafet M. Nassar
PART II : Anatomy and Physiology
CHAPTER 7 Evolutionary Trends in Columnar Cacti under Domestication
in South-Central Mexico
Alejandro Casas, Alfonso Valiente-Banuet, and Javier Caballero
CHAPTER 8 Growth Form Variations in Columnar Cacti (Cactaceae:
Pachycereeae) within and between North American Habitats
Martin L. Cody
CHAPTER 9 Physiological Ecology of Columnar Cacti
Park S. Nobel
PART III : Population and Community Ecology
and Conservation
CHAPTER 10 Pollination Biology of Four Species of Sonoran Desert
Columnar Cacti
Theodore H. Fleming
CHAPTER 11 Biotic Interactions and Population Dynamics
of Columnar Cacti
Alfonso Valiente-Banuet, Maria del Coro Arizmendi,
Alberto Rojas-Martinez, Alejandro Casas, Hector Godinez-Alvarez,
Carlos Silva, and Patricia Ddvila-Aranda
CHAPTER 12 The Role of Bats and Birds in the Reproduction
of Columnar Cacti in the Northern Andes
Pascual J. Soriano and Adriana Ruiz
CHAPTER 13 Columnar Cacti and the Diets of Nectar-Feeding Bats
Maria del Coro Arizmendi, Alfonso Valiente-Banuet
Alberto Rojas-Martinez, and Patricia Ddvila-Aranda
CHAPTER 14 Population Biology of the Lesser Long-Nosed Bat
Leptonycteris curasoae in Mexico and Northern
South America
Theodore H. Fleming and Jafet Nassar
CHAPTER 15 Why Are Columnar Cacti Associated with Nurse Plants?
Vinicio J. Sosa and Theodore H. Fleming
CHAPTER 16 Cacti in the Dry Formations of Colombia
Adriana Ruiz, Jaime Cavelier, Mery Santos,
and Pascual J. Soriano
CHAPTER 17 Priority Areas for the Conservation of New World
Nectar-Feeding Bats
Mery Santos and Hector T. Arita
Epilogue
Index 369