Cereus speciosus (Cav.) Sweet, Hort. Brit.: 172. 1826 Cereus speciosus (Cav.) Sweet, Hort. Brit.: 172. 1826is new combination for Cactus speciosus Cav. in Anales Ci. Univ. Madrid 6: 339. 1803Taxon for this nameCereus speciosus (Cav.) Sweet