This textbook explores the plant kingdom and origins of cultivated plants, requirements for plant growth, plant propagation, and the production of major agronomic crops. The chapters on the plant kingdom and the origins of cultivated plants set the stage for learning plant science. The next chapters on the structure and anatomy of plants help the reader understand how plants produce food and serve humankind. The anatomy of plants is discussed in the hierarchy of biochemicals, cells, tissues, and organs. - Publisher.