Evolutionary trends in flowering plants

Armen Takhtajan
Columbia University Press
 9780231073288
0-231-07328-3

Explores the evolutionary trends in each major flowering plant part-vegetative organs, flowers and inflorescences, fruits, and seeds. Examines microsporangia, microspores, and pollen grains as well as megasporangia, mega-spores, and the ovule, and covers evolutionary trends in pollination, fertilization, and triple fusion.