| Family: | Cactaceae (kak-TAY-see-ee) (Info) |
| Genus: | Cereus (KER-ee-us) (Info) |
| Species: | fernambucensis (fer-nahm-boo-KEN-sees) (Info) |
| Synonym: | Cereus fernambucensis subsp. fernambucensis |
| Synonym: | Cereus variabilis |
| Synonym: | Cereus pernambucensis |
| Synonym: | Cereus neotetragonus |
| Synonym: | Piptanthocereus obtusus |