Escontria

Chiotilla
The upper portion of the stem of a long-spined cactus
Chiotilla cactus
Cactus fruits above a ruler
Ripe jiotilla fruit
CITES Appendix II [2]
Scientific classification Edit this classification
Kingdom: Plantae
Clade: Embryophytes
Clade: Tracheophytes
Clade: Spermatophytes
Clade: Angiosperms
Clade: Eudicots
Order: Caryophyllales
Family: Cactaceae
Subfamily: Cactoideae
Tribe: Echinocereeae
Genus: Escontria
Rose
Species:
E. chiotilla
Binomial name
Escontria chiotilla
Synonyms

Escontria is a genus of cactus. The only species is Escontria chiotilla, the chiotilla or jiotilla.

Description

The tree-like Escontria chiotilla is heavily branched with flat tops, forms clear trunks and reaches a height of 4 to 7 meters. The light green, cylindrical shoots have a diameter of 8 to 12 cm (3.1 to 4.7 in). It has 7 or 8 acute ribs, are densely covered with dark gray, elongated areoles that sometimes flow into one another. The central spine, which is usually one red-orange to yellow, later turns gray and is up to 20 mm (0.79 in) long. The 10 to 20 marginal spines, sometimes arranged somewhat comb-shaped, are yellowish-brown, later become grayish-white and are up to 12 mm (0.47 in) long.

The yellow, tubular to somewhat bell-shaped flowers, which open during the day, appear below the shoot tip. It bears dark red fruit comparable in appearance and texture to Pitaya, but smaller (3,5 cm).[3] The spherical, fleshy, scaled fruits are purple-brown and have a diameter of 5 cm (2.0 in) or more.[4]

Distribution

The species originates from Mexico (Guerrero, Michoacán, Oaxaca, southern Puebla).

Taxonomy

The first plants were discovered in 1864 by Frédéric Albert Constantin Weber, who sent material to George Engelmann. However, the first description as Cereus chiotilla was not made until 1897 by Karl Moritz Schumann.[5] The botanical name of the genus honors the Mexican engineer and temporary governor of San Luis Potosí Blas Escontria and Bustamante (1848–1906). The specific epithet chiotilla derives from the local name "Chiotilla" for the edible fruits of the plant. Spanish common names are "Chiotilla" and "Jiotilla". In 1906, Joseph Nelson Rose placed it in the genus Escontria, which he had established.[6]

Another nomenclature synonym is Myrtillocactus chiotilla (F.A.C.Weber ex K.Schum.) P.V.Heath (1992).

References

  1. ^ Arreola, H.; Terrazas, T. (2017). "Escontria chiotilla". IUCN Red List of Threatened Species. 2017 e.T152145A121523692. doi:10.2305/IUCN.UK.2017-3.RLTS.T152145A121523692.en. Retrieved 19 November 2021.
  2. ^ "Escontria chiotilla (Weber ex Schumann) Rose". Species+. UN Environment Programme World Conservation Monitoring Centre. Retrieved 21 February 2025.
  3. ^ "Jiotilla Plant (Escontria chiotilla [Weber] Britt. & Rose) as a new resource native to South Mexico". Retrieved 6 May 2012.
  4. ^ Anderson, Edward F.; Eggli, Urs (2005). Das grosse Kakteen-Lexikon (in German). Stuttgart (Hohenheim): Ulmer. p. 279. ISBN 3-8001-4573-1.
  5. ^ Schumann, Karl Moritz; Hirscht, Karl. (1899). Gesamtbeschreibung der Kakteen (Monographia cactacearum) /von Karl Schumann. Neudamm [Dębno, Poland?]: J. Neumann. doi:10.5962/bhl.title.10394.
  6. ^ States., United (1906). "Contributions from the United States National Herbarium". Smithsonian Institution Press. Retrieved 2023-09-24.
  • Wikimedia Commons logo Media related to Escontria at Wikimedia Commons
  • Wikispecies logo Data related to Escontria at Wikispecies

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