Obregonia

Obregonia, the artichoke cactus, is a monotypic genus of cacti, containing the species Obregonia denegrii. The species is endemic to the state of Tamaulipas in Mexico.

Obregonia
CITES Appendix I (CITES)[2]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Genus: Obregonia
Fric
Species:
O. denegrii
Binomial name
Obregonia denegrii
Synonyms

Ariocarpus denegrii (Fric) Marshall
Strombocactus denegrii (Fric) Rowley

The genus Obregonia is named after Álvaro Obregón,[3] while the species is named after Ramon P. De Negri, who was the Minister of Agriculture of Mexico when the cacti was first described by Alfred Frec in 1923.[4]

Description

This rare species resembles an inverted green pine cone with a woolly center. It grows slowly in culture and requires little water. It benefits from full sun and is multiplied by seed. It is very slow growing.

It is an IUCN Red List Endangered species.

Uses

The Nahuatl Indians call the plant peyotl, and it is said to have hallucinogenic alkaloids.[4] It is one of the closest living relatives of the genus Lophophora.[5]

  • Obregonia denigrii in flower
    Obregonia denigrii in flower
  • Obregonia denigrii seen from above
    Obregonia denigrii seen from above
  • The flower of Obregonia denigrii
    The flower of Obregonia denigrii
  • Cultivated plant specimen
    Cultivated plant specimen

References
  1. Gómez-Hinostrosa, C.; Guadalupe Martínez, J. (2013). "Obregonia denegrii". IUCN Red List of Threatened Species. 2013: e.T40968A2948122. doi:10.2305/IUCN.UK.2013-1.RLTS.T40968A2948122.en.
  2. "Appendices | CITES". cites.org. Retrieved 14 January 2022.
  3. Eggli, Urs et al. (2004). Etymological Dictionary of Succulent Plant Names, p. 169, 64., p. 169, at Google Books
  4. Venning, Frank D. Cacti (A Golden Guide). Racine, Wisconsin: Western Publishing Company, Inc. p. 153.
  5. Anderson, Miles (2008). The Complete Illustrated Guide to Growing Cacti & Succulents. London: Lorenz Books. p. 94. ISBN 9780754818427.


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