| Family: | Cactaceae (kak-TAY-see-ee) (Info) |
| Genus: | Espostoa (es-POS-toh-uh) (Info) |
| Species: | melanostele |
| Synonym: | Espostoa haagei |
| Synonym: | Pilocereus lanatus var. haagei |
| Synonym: | Cephalocereus melanostele |
| Synonym: | Binghamia melanostele |
| Synonym: | Pseudoespostoa melanostele |