| Family: | Cactaceae (kak-TAY-see-ee) (Info) |
| Genus: | Oreocereus (or-ee-oh-KER-ee-us) (Info) |
| Species: | celsianus (sels-ee-AY-nus) (Info) |
| Synonym: | Borzicactus celsianus |
| Synonym: | Cereus celsianus |
| Synonym: | Pilocereus celsianus |
| Synonym: | Oreocereus maximus |
| Synonym: | Oreocereus neocelsianus |