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saguaro

Scientific Name: Carnegiea

Family: Cactaceae

Category: Dicot

Growth:

Duration:

Other Names:

       

Saguaro Cactus (Carnegiea gigantea)

The saguaro cactus, scientifically known as Carnegiea gigantea, is an iconic symbol of the American West, particularly the Sonoran Desert.

Considerations for Pets

  • The saguaro cactus has spines, typically around two inches long, located on the tree’s vertical ribs.

Considerations for Children

  • The saguaro cactus has spines, typically around two inches long, located on the tree’s vertical ribs.

Taxonomy and Nomenclature

  • Scientific Name: Carnegiea gigantea
  • The saguaro belongs to the monotypic genus Carnegiea.

Distribution and Habitat

  • The saguaro cactus grows naturally only in the Sonoran Desert.

Morphological Characteristics and Growth Habits

  • The saguaro is an arborescent (tree-like) cactus.
  • It is a large, tree-like columnar cactus.
  • Mature saguaros commonly reach a height of 12 meters (approximately 39 feet), but can grow to be over 70 feet (21 m) tall.
  • The stem is tall, thick, and fluted, with a columnar shape, typically 18 to 24 inches in diameter.
  • Mature saguaros often develop several large branches (arms) curving upward.
  • The saguaro cactus has a smooth and waxy skin.

Quirky Facts

  • The saguaro is the largest cactus in the USA and can live up to 200 years.