Opuntia violacea var. castetteri L.D.Benson in Cact. Succ. J. (Los Angeles) 41(3): 125. 1969 Opuntia violacea var. castetteri L.D.Benson in Cact. Succ. J. (Los Angeles) 41(3): 125. 1969Taxon for this nameOpuntia violacea var. castetteri L.D.Benson