Coleocephalocereus SynonymyColeocephalocereus Backeb. in Blätt. Kakteenf. 1938(6): [22]. 1938 sec. Hunt (2006)Type: Coleocephalocereus fluminensis (Miq.) Backeb.=Buiningia Buxb. in Krainz, Kakteen: 46-47, C IV. 1971 syn. sec. Hunt (2006)Type: Buiningia brevicylindrica BuiningContentNotes Notes Recent floristic monograph by Taylor & Zappi (2004).