Obregonia

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

Obregonia
Scientific classification
Kingdom:
Plantae
(unranked):
Angiosperms
(unranked):
Eudicots
(unranked):
Core eudicots
Order:
Caryophyllales
Family:
Cactaceae
Subfamily:
Cactoideae
Tribe:
Cacteae
Genus:
Obregonia

Fric
Species:
O. denegrii
Binomial name
Obregonia denegrii
Fric
Synonyms

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

The genus Obregonia is named after Álvaro Obregón,[1] 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.[2]

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.[2] It is one of the closest living relatives of the genus Lophophora.[3]

  • Obregonia denigrii in flower
  • Obregonia denigrii seen from above
  • The flower of Obregonia denigrii
  • Cultivated plant specimen
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References
  1. Eggli, Urs et al. (2004). Etymological Dictionary of Succulent Plant Names, p. 169, 64., p. 169, at Google Books
  2. Venning, Frank D. Cacti (A Golden Guide). Racine, Wisconsin: Western Publishing Company, Inc. p. 153.
  3. Anderson, Miles (2008). The Complete Illustrated Guide to Growing Cacti & Succulents. London: Lorenz Books. p. 94. ISBN 9780754818427.


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