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Stenocereus griseus
S. griseus in Arashi Bay Coast Noord, Aruba
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Order:	Caryophyllales
Family:	Cactaceae
Subfamily:	Cactoideae
Genus:	Stenocereus
Species:	S. griseus
Binomial name
Stenocereus griseus (Haw.) Buxb.
Synonyms
Stenocereus eburneus Lemaireocereus eburneus Ritterocereus deficiens Lemaireocereus deficiens Cereus deficiens Stenocereus victoriensis Neolemaireocereus griseus Ritterocereus griseus Cereus griseus Lemaireocereus griseus Cereus eburneus

Stenocereus griseus, also known as the Mexican organ pipe, dagger cactus, pitaya, and pitayo de mayo, is a species of cactus.

Description

Stenocereus griseus is a tree-shaped cactus that grows to 6-9 meters tall with a clear trunk and upright green stems, about 9-12 centimeters in diameter, with six to ten ribs below the areoles. It bears one to three central spines up to 1.5 centimeters long, the longest of which reaches 4 centimeters, and six to eleven marginal spines measuring 6-10 millimeters long.

This species produces white, funnel-shaped flowers that bloom at night and last until midday, with bent-back flower bracts. The flowers are about 10 centimeters long. Its spherical to elongated fruits are white, yellowish green, to red or dark purple, up to 5 centimeters in diameter, and covered with thorns that shed when ripe. The flesh is red.

• Habit
• Flower
• Branch
• spine
• seedling
• Stenocereus griseus fence in Santa Cruz Aruba

Distribution

This species is found in Mexico in Oaxaca and Veracruz, coastal Venezuela, Guajira Peninsula of Colombia and the ABC islands of the Dutch Caribbean. It is found in scrub-lands. Observations of this species have also been reported in the dry scrub-lands at the base of the Eastern Cordillera of the Colombian Andes. However it has not been collected in this region. In the Caribbean islands of Aruba, Curaçao and Bonaire, this cactus blooms and fruits profusely during the dry season. It is a critical resource for bats, birds and other animals.

• Stenocereus griseus habitat in Arashi Bay Coast, Noord Aruba
• Stenocereus Griseus growing in habitat in Noord Aruba

Human uses

Its fruit is edible to humans and is considered good tasting. It is planted as an ornamental and as a living fence in warm regions. When used as a fence, it can be impervious to animals due to its spiny nature.

Taxonomy

First described as Cereus griseus in 1812 by Adrian Hardy Haworth, the species was later placed in the genus Stenocereus by Franz Buxbaum in 1961. The specific epithet "griseus" derives from Latin, meaning 'gray,' in reference to the thorns of the species. The species is found in CITES Appendix II as a species of Least Concern. Its population is considered stable.

References

1. ^ "Stenocereus griseus (Haw.) Buxb. - Encyclopedia of Life". eol.org. Retrieved 2019-07-25.
2. ^ Pitayo de Mayo (Stenocereus griseus)
3. candle cactus, Stenocereus griseus (Caryophyllales: Cactaceae)
4. Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 602. ISBN 3-8001-4573-1.
5. Stenocereus griseus On-line Guide to the positive identification of Members of the Cactus Family
6. "Neotropical Plant Portal - Stenocereus griseus". serv.biokic.asu.edu. Retrieved 2019-07-25.
7. ^ "Stenocereus griseus - Useful Tropical Plants". tropical.theferns.info. Retrieved 2019-07-25.
8. Haworth, A.H. (1812). Synopsis Plantarum Succulentarum: Cum Descriptionibus, Synonymis, Locis, Observationibus Anglicanis, Culturaque (in Latin). Typis Richardi Taylor et Socii. p. 182. Retrieved 2024-03-31.

External links

• Media related to Stenocereus griseus at Wikimedia Commons
• Data related to Stenocereus griseus at Wikispecies

• IUCN Red List least concern species
• Stenocereus