Obregonia, the artichoke cactus, is a genus of cacti with a single species, Obregonia denegrii. The genus Obregonia is named after Álvaro Obregón. 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 may have traditional uses as medicine or a psychoactive. It is one of the closest living relatives of Lophophora williamsii.
- Eggli, Urs et al. (2004). Etymological Dictionary of Succulent Plant Names, p. 169, 64., p. 169, at Google Books
- Anderson et al. (2002). Obregonia denegrii. 2006. IUCN Red List of Threatened Species. IUCN 2006. www.iucnredlist.org. Retrieved on 5 May 2006. Database entry includes justification for why this species is vulnerable
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