Barrel cactus

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Echinocactus grusonii— Golden Barrel Cactus, endemic to Mexico.

Barrel cactus are various members of the two genera Echinocactus and Ferocactus, found in the deserts of Southwestern North America. Some of the largest specimens can be found in the Mojave Desert in southern California.

Description[edit]

Some species of Barrel cactus easily reach over 1 metre (3.3 ft) in height at maturity, and have been known to reach 3 metres (9.8 ft) in some regions. The ribs are numerous and pronounced, and the spines are long and can range in color from yellow to tan to red, depending on the age of the plant and the species. Flowers appear at the top of the plant only after many years. The barrel cactus can live to be over 100 years old.

Barrel cactus buds typically start to bloom in April with a bright yellow or orange flower. Pink and red varieties also exist but occur less frequently. The flowers only appear on the very top of the plant. As the flowers begin to wilt in early May, they may change color. A late summer desert rainstorm can produce a late bloomer as shown in the photograph of the orange flowered variety (it bloomed two days after a rain storm in mid August and then continued to bloom right through the end of September).

Fruit[edit]

As the flowers wilt away, small pineapple-shaped greenish fruit may form. Left untouched, the fruit has been known to last a full calendar year. The fruit can be easily removed but are not usually consumed because they are fairly dry and bitter.

Facts[edit]

Six young Barrel cactus in a cluster in the Mojave desert

Native Americans collected the fruit as emergency food during extreme drought conditions.

The Seri people distinguished three species of barrel cactus:[1]

Cultivation[edit]

Barrel cactus are cultivated by plant nurseries as an ornamental plant. They are considered easy to grow and relatively fast growing. They may produce round offshoots.

Barrel cactus can fall over because they grow based on sun orientation. They usually grow towards the south to prevent surface tissue sunburn, giving the name "compass cactus."[2]

Gallery[edit]

References[edit]

  1. ^ Felger, Richard Stephen; Moser, Mary Beck (1985). People of the Desert and Sea: Ethnobotany of the Seri Indians. Tucson: University of Arizona Press. ISBN 978-0816508181.
  2. ^ Johnson, Mark (2003). The Ultimate Desert Handbook. McGraw-Hill Professional. p. 196. ISBN 978-0071393034.