| Family: | Cactaceae (kak-TAY-see-ee) (Info) |
| Genus: | Epiphyllum (ep-ih-FYE-lum) (Info) |
| Species: | hookeri (HOOK-er-ee) (Info) |
| Synonym: | Epiphyllum phyllanthus var. hookerii |
| Synonym: | Epiphyllum latifrons |
| Synonym: | Epiphyllum stenopetalum |
| Synonym: | Cereus hookeri |
| Synonym: | Epiphyllum ruestii |