Stenocactus multicostatus

Stenocactus multicostatus, the brain cactus, is a member of the cactus family native to the deserts of Mexico, and is popular in the gardening community. It has gained the Royal Horticultural Society's Award of Garden Merit.[2] Though it has only been reported in the shrublands of Chihuahua, Coahuila, Durango, Nuevo León, San Luis Potosí, Zacatecas,[3] and Tamaulipas,[4] it has yet to be assessed using the IUCN Categories and Criteria because its taxonomy is still unclear.[5]

Stenocactus multicostatus
Stenocactus multicostatus
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Stenocactus
Species:
S. multicostatus
Binomial name
Stenocactus multicostatus
Synonyms[1]
List
  • *Brittonrosea lloydii (Britton & Rose) Speg.
  • *Brittonrosea multicostata (Hildm.) Speg.
  • *Brittonrosea zacatecasensis (Britton & Rose) Speg.
  • *Echinocactus lloydii (Britton & Rose) A.Berger
  • *Echinocactus multicostatus Daul
  • *Echinocactus multicostatus Rebut
  • *Echinocactus zacatecasensis A.Berger
  • *Echinofossulocactus lloydii Britton & Rose
  • *Echinofossulocactus multicostatus (Daul) Britton & Rose
  • *Echinofossulocactus multicostatus var. coahuilensis Fric
  • *Echinofossulocactus multicostatus var. zacatecasensis (Britton & Rose) Lodé
  • *Echinofossulocactus zacatecasensis Britton & Rose
  • *Efossus lloydii (Britton & Rose) Orcutt
  • *Efossus multicostatus (Daul) Orcutt
  • *Efossus zacatecasensis (Britton & Rose) Orcutt
  • *Stenocactus lloydii A.Berger
  • *Stenocactus zacatecasensis (A.Berger) A.Berger

It grows up to 2.5 in (6 cm) tall, 2.4 to 4 in (6–10 cm) wide. It has nearly 100 thin ribs around the outside, each with six to nine spines. The upper spines are wider, at 1.6 to 3.2 in (4–8 cm) long, while the lower ones are shorter, at 0.2 to 0.6 in (5–15 mm) long. The flower is white to purple, 0.8 to 2 in (2–5 cm) in diameter with many stamens.[6]

Brain cactus in bloom

References
  1. "Stenocactus multicostatus (Daul) A.Berger". Plants of the World Online. The Trustees of the Royal Botanic Gardens, Kew. n.d. Retrieved August 22, 2020.
  2. "Stenocactus multicostatus". Royal Horticultural Society. Retrieved 18 May 2023.
  3. Hunt, D., Taylor, N. and Charles, G. (compilers and editors). 2006. The New Cactus Lexicon. dh Books, Milborne Port, UK.
  4. Martínez-Ávalos, J.G. and Jurado, E. 2005. Geographic distribution and conservation of Cactaceae from Tamaulipas Mexico. Biodiversity and Conservation 14: 2483-2506.
  5. Gómez-Hinostrosa, C.; Sánchez, E.; Guadalupe Martínez, J.; Bárcenas Luna, R.; Goettsch, B.K. (2013). "Stenocactus multicostatus". 2014.3. The IUCN Red List of Threatened Species. Retrieved 2015-01-11.
  6. "Brain Cactus". Desert Tropicals. Retrieved 2015-01-11.
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