Loxanthocereus clavispinus Rauh & Backeb., Descr. Cact. Nov. 1: 15. 1957 ["1956"] Loxanthocereus clavispinus Rauh & Backeb., Descr. Cact. Nov. 1: 15. 1957 ["1956"]is basionym for Cleistocactus clavispinus (Rauh & Backeb.) Ostolaza in Brit. Cact. Succ. J. 16(3): 133. 1998Taxon for this nameLoxanthocereus clavispinus Rauh & Backeb.