Böcker av Armen Takhtajan

The culmination of more than fifty years of research by the foremost living expert on plant classification, Diversity and Classification of Flowering Plants is an important contribution to the field of plant taxonomy.

and class Liliopsida (or Monocotyledons) includes 4 subclasses, 31 orders, 120 families, more than 3,000 genera, and about 65,000 species.This book contains a detailed description of plant orders, and descriptive keys to plant families providing characteristic features of the families and their differences.

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.