An edited volume based on the proceedings of the 18th AETFAT Congress held in Yaoundé, Cameroon. Includes 100 research papers in separate sections on taxonomy, phytogeography, ethnobotany, and the conservation and sustainable use of African plants. Includes papers covering recent advances in reproductive biology, vegetation and Podostometaceae in Africa. A separate section on African floras reflects the present state of knowledge and progress towards our understanding and documentation of the plants of Africa.