| Family: | Cactaceae (kak-TAY-see-ee) (Info) |
| Genus: | Epiphyllum (ep-ih-FYE-lum) (Info) |
| Species: | oxypetalum (oks-ee-PET-al-um) (Info) |
| Synonym: | Cereus oxypetalus |
| Synonym: | Phyllocactus oxypetalus |
| Synonym: | Cereus latifrons |
| Synonym: | Epiphyllum latifrons |
| Synonym: | Epiphyllum acuminatum |