Taken at the University of California Botanical Gardens in Berkeley CA.
blue ribbon winner at Los Angeles intercity cactus/succulent show, August 2006
University of California Botanical Garden at Berkeley
Photo courtesy and copyright of Cok Grootscholten of Succulent Nursery, Holland, a nursery and formidable private succulent collection. http://public.fotki.com/Grootscholten/plant-collections/