Clearing confusion in <i>Stylosanthes</i> taxonomy. 2. <i>S. macrocephala</i> M.B. Ferreira & Sousa Costa vs. <i>S. capitata</i> Vogel and <i>S. bracteata</i> Vogel

Professor Rainer Schultze-Kraft is an agronomist who specialized in tropical pastures and forages from 1970 on. During 1973-1976 he conducted the research for his PhD project at CIAT, Colombia, and Justus Liebig University Giessen, Germany, and worked from 1976 until 1991 in the then CIAT Tropical Pastures Program. In 1991 he was appointed Professor for Pastures and Forages in the Tropics and Subtropics at the University of Hohenheim, Stuttgart, Germany, where he worked until retirement in 2007. At CIAT, Rainer established the Center’s collection of tropical forage germplasm adapted to acid, low-fertility soils, mainly legumes and mainly via collecting expeditions that he conducted, in collaboration with national partner institutions, in tropical America, Africa and Southeast Asia. Besides his plant introduction work, he was involved in agronomic evaluation of forage germplasm as well as activities within RIEPT, the International Tropical Pasture Evaluation Network. At the University of Hohenheim, besides postgraduate-teaching he led a number of research projects in the area of tropical forages and biodiversity, mainly via MSc and PhD students, in tropical America, Africa and Southeast Asia. Rainer is (co)author of >250 scientific publications. In 1997 he received the award of a Fellow of the Tropical Grassland Society of Australia. Since his retirement from the University of Hohenheim he has been an advisor to the CIAT Tropical Forages Program, after 2009 as a CIAT Emeritus Scientist.