# Matucana oreodoxa

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Species of cactus

Matucana oreodoxa Conservation status Critically Endangered (IUCN 2.3)[1] Scientific classification Kingdom: Plantae Clade: Embryophytes Clade: Tracheophytes Clade: Spermatophytes Clade: Angiosperms Clade: Eudicots Order: Caryophyllales Family: Cactaceae Subfamily: Cactoideae Genus: Matucana Species: M. oreodoxa Binomial name Matucana oreodoxa (F.Ritter) Slaba Synonyms Borzicactus oreodoxus (F.Ritter) Donald 1971 Eomatucana oreodoxa F.Ritter 1965

***Matucana oreodoxa*** is a species of *[Matucana](/source/Matucana)* found in [Peru](/source/Peru).[2]

## Description

*Matucana oreodoxa* usually grows solitary with spherical, grass-green to dark green shoots and reaches a diameter of up to 8 cm (3.1 in) and a height of 8-15 cm (5.9 in) tall. A thick taproot is formed. There are seven to twelve flattened ribs, which are divided into round bumps. The straight to slightly curved, flexible, brownish spines turn gray with age. The one to two central spines are 1.5 to 4 cm (0.59 to 1.57 in) and four to ten radial spines 1 to 3 cm (0.39 to 1.18 in) long.

The slender, funnel-shaped, radially symmetrical, orange-red flowers are 8 to 10 cm (3.1 to 3.9 in) long and have a diameter of 3 to 5.5 cm (1.2 to 2.2 in). The egg-shaped, light green fruits reach a diameter of up to 8 mm (0.31 in).[3][4]

		- Buds

		- plant

		- Flowers

## Distribution

*Matucana oreodoxa* is found in the Peruvian region of [Ancash](/source/Ancash) in the valley of the Río Puchca at altitudes of 1800 to 3000 meters.

## Taxonomy

The first description as *Eomatucana oreodoxa* was made in 1965 by [Friedrich Ritter](/source/Friedrich_Ritter).[5] Rudolf Slaba placed the species in the genus *Matucana* in 1973. Another [nomenclature synonym](/source/Synonym_(taxonomy)) is *Borzicactus oreodoxus* (F.Ritter) Donald (1971).

## References

1. **[^](#cite_ref-Assessment)_2011_p._1-0)** Assessment), Jose Roque (Global Cactus (2011-05-05). ["The IUCN Red List of Threatened Species"](https://www.iucnredlist.org/species/152339/121532193). *IUCN Red List of Threatened Species*. Retrieved 2023-08-31.

1. **[^](#cite_ref-Plants_of_the_World_Online_u174_2-0)** ["Matucana oreodoxa (F.Ritter) Slaba"](https://powo.science.kew.org/taxon/urn:lsid:ipni.org:names:943681-1). *Plants of the World Online*. Retrieved 2023-08-31.

1. **[^](#cite_ref-Anderson_Eggli_2005_p._3-0)** Anderson, Edward F.; Eggli, Urs (2005). *Das grosse Kakteen-Lexikon* (in German). Stuttgart (Hohenheim): Ulmer. [ISBN](/source/ISBN_(identifier)) [3-8001-4573-1](https://en.wikipedia.org/wiki/Special:BookSources/3-8001-4573-1).

1. **[^](#cite_ref-Vallicelli_2013_n329_4-0)** Vallicelli, Valentino (2013-08-04). ["Matucana oreodoxa"](http://www.llifle.com/Encyclopedia/CACTI/Family/Cactaceae/2241/Matucana_oreodoxa). *llifle.com*. Retrieved 2023-12-17.

1. **[^](#cite_ref-Au_Cactus_Francophone_f161_5-0)** ["Au Cactus Francophone :"](https://www.cactuspro.com/lecture/Kakteen-und-andere-Sukkulenten/Kakteen-und-andere-Sukkulenten-1965-12/page-8.de.html). *Au Cactus Francophone* (in French). Retrieved 2023-08-31.

## External links

- Media related to [*Matucana oreodoxa*](https://commons.wikimedia.org/wiki/Category:Matucana_oreodoxa) at Wikimedia Commons

- Data related to [*Matucana oreodoxa*](https://species.wikimedia.org/wiki/Matucana_oreodoxa) at Wikispecies

Taxon identifiers Matucana oreodoxa Wikidata: Q1674402 Wikispecies: Matucana oreodoxa CoL: 3YFJX EoL: 5189721 GBIF: 3948889 GRIN: 434964 iNaturalist: 440270 IPNI: 943681-1 ITIS: 908126 IUCN: 152339 NCBI: 2800976 Open Tree of Life: 6035029 Plant List: tro-5106963 POWO: urn:lsid:ipni.org:names:943681-1 Species+: 19523 Tropicos: 5106963 WFO: wfo-0001289176 Eomatucana oreodoxus Wikidata: Q14955001 CoL: 6FJFF GBIF: 3946105 Tropicos: 5101874

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Adapted from the Wikipedia article [Matucana oreodoxa](https://en.wikipedia.org/wiki/Matucana_oreodoxa) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Matucana_oreodoxa?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.