Kalanchoe (Crassulaceae) in Southern Africa. Classification, Biology, and Cultivation

Authors

Gideon F. Smith Department of Botany, Nelson Mandela Metropolitan University, Port Elizabeth, South Africa and Centre for Functional Ecology, Departamento de Ci�ncias da Vida, Universidade de Coimbra, Coimbra, Portugal. Having authored or co-authored over 50 books, and hundreds of scientific and popular papers, Gideon F. Smith is South Africa's most prolific author on succulents of the Old and New Worlds. He also has a keen interest in landscaping, gardens, and gardening. He is an Honorary Professor at the Nelson Mandela University, Port Elizabeth, South Africa, and a research associate at the University of Coimbra in Portugal. Estrela Figueiredo Department of Botany, Nelson Mandela University, P.O. Box 77000, Port Elizabeth, 6031 South Africa. With a keen interest in the African flora and the succulents of the world, Estrela Figueiredo has authored or co-authored several hundred scientific and popular papers, and numerous books on aspects of the botany of the continent. She also has a keen interest in sustainable gardening. She is an Honorary Professor at the Nelson Mandela University, Port Elizabeth, South Africa, and a research associate at the University of Coimbra in Portugal. Abraham E. van Wyk H.G.W.J. Schweickerdt Herbarium, Department of Plant and Soil Sciences, University of Pretoria, Pretoria, South Africa and National Herbarium, South African National Biodiversity Institute, Pretoria, South Africa. A plant taxonomist by training, but with a wide interest in the biodiversity of southern Africa, Abraham E. [Braam] van Wyk is an Emeritus Professor with more than 40 years of service to the University of Pretoria. He is a prolific researcher, and has authored or co-authored numerous publications on the botany of southern Africa, including several popular-scientific books on the wild flowers and trees of the region.