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cephalocereus

Scientific Name: Cephalocereus

Family: Cactaceae

Category: Dicot

Growth:

Duration:

Other Names:

       

Cephalocereus: The Old Man Cactus and Its Relatives

Cephalocereus is a genus of cacti known for its slow growth and columnar shape. The most well-known species is Cephalocereus senilis, commonly called the Old Man Cactus.

Considerations for Pets

  • The plant has a columnar shape.
  • Cephalocereus are cacti.

Scientific Classification

  • Genus: Cephalocereus
  • Family: Cactaceae
  • Species: Cephalocereus senilis (example)

Nomenclature and Synonyms

  • Common Names: Old Man Cactus, Old Man of Mexico, Bunny Cactus, Cabeza de Viejo.
  • Synonyms for Cephalocereus senilis: Cactus senilis, Pilocereus senilis

Distribution and Habitat

  • Native to Mexico, specifically Guanajuato and Hidalgo in eastern Mexico. Cephalocereus palmeri is native to Quertaro, Tamaulipas and Veracruz.
  • Cephalocereus senilis is threatened in the wild.

Morphological Characteristics

  • Columnar-shaped.
  • Slow-growing.
  • Can reach up to nearly 50 feet (15m) in height.
  • Characterized by long, white hairs covering the plant, particularly in Cephalocereus senilis.

Quirky Facts

  • Cephalocereus senilis gets its common name, "Old Man Cactus," from the bristly white hairs that cover it, resembling an old man's beard.

Further Information

  • Encyclopedia of Life.
  • The Plant List includes 114 scientific plant names of species rank for the genus Cephalocereus.