In this book, the authors gather and present topical research in the study of the classification, characteristics and breeding of flowering plants. Topics discussed include the response of flower and boll development to climatic factors in Egyptian cotton; risk assessment of inorganic and organic pollutants in flowering plants; seed germination and secondary metabolites and plant hormones; apomixis in plant breeding; source/sink relations in fruiting cuttings of grapevine during inflorescence development; controlling the architecture and flowering in ornamental azalea plants and the evolution of carnivory in flowering plants.