Espostoa melanostele is a columnar cactus covered in dense, white, woolly hairs that hide sharp yellow spines. The hairs give it a soft, fuzzy appearance. It produces nocturnal, white flowers from a lateral cephalium (woolly flowering zone) on mature stems.
| Family: | Cactaceae (kak-TAY-see-ee) |
| Genus: | Espostoa (es-POS-toh-uh) |
| Species: | melanostele |
| Synonym: | Espostoa haagei |
| Synonym: | Pilocereus lanatus var. haagei |
| Synonym: | Cephalocereus melanostele |
| Synonym: | Binghamia melanostele |
| Synonym: | Pseudoespostoa melanostele |
Full sun and well-draining cactus mix. Water sparingly. The wool protects from sun and cold. Do not wash the wool off. Slow-growing but can become a large, impressive specimen. The cephalium is a unique feature of mature plants.
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