Time: Tuesday 19 December 2023 at 7.30pm (GMT)
We are excited to welcome Bob Webb on his return to give us the second talk in his series on Euphorbia following his great talk in 2020. Euphorbia are probably the largest and most diverse succulent genera and we will hear from a leading world authority on this genus. This really is a talk that should not be misses.
Dr. Robert H. Webb has worked on long-term changes in natural ecosystems of the southwestern United States since 1976. He has degrees in engineering, environmental earth sciences, and geosciences Ph.D, (University of Arizona, 1985). Since 1985, he was a research hydrologist with the U.S. Geological Survey in Tucson (retired in 2013) and an adjunct faculty member of the School of Natural Resources and the Department of Hydrology and Water Resources at the University of Arizona. Bob does interdisciplinary work to attempt to understand long-term change in the desert regions of the United States and Mexico and. He has authored or edited 15 books and about 250 publications and given around 400 presentations in his 45-year career.
Bob has been growing succulent plants and cacti for nearly 40 years and has been the owner of Arid Lands Greenhouses in Tucson, Arizona, since 2006. For last 20 years, he and his wife Toni have travelled extensively in Africa and the Arabian Peninsula looking for succulent plants. Webb is the former chairman of the International Sansevieria Society. He has described and named 15 species or subspecies of plants, including 2 Agave species from Baja California, Mexico, and 13 Sansevieria species, subspecies, or varieties from East Africa and Somalia.