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Opuntia chaffeyi 

Scope: Global
Status_ne_offStatus_dd_offStatus_lc_offStatus_nt_offStatus_vu_offStatus_en_offStatus_cr_onStatus_ew_offStatus_ex_off

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Caryophyllales Cactaceae

Scientific Name: Opuntia chaffeyi
Species Authority: Britton & Rose
Taxonomic Source(s): Hunt, D., Taylor, N. and Charles, G. (compilers and editors). 2006. The New Cactus Lexicon. dh Books, Milborne Port, UK.
Taxonomic Notes: Recognized by Britton & Rose (1919), Bravo (1978), Hunt (1999), Hernández et al. (2001) and Hunt et al. (2006) as a good species.

Assessment Information [top]

Red List Category & Criteria: Critically Endangered D ver 3.1
Year Published: 2013
Date Assessed: 2009-11-18
Assessor(s): Hernández, H.M., Gómez-Hinostrosa, C. & Goettsch, B.K.
Reviewer(s): Chanson, J.S. & Goettsch, B.K.
Facilitator/Compiler(s): Hilton-Taylor, C.
Justification:
The known distribution of the species is extremely narrow (extent of occurrence is ca 63 km² and the area of occupancy is ca 12 km²), and it is known from three separate localities which are not severely fragmented. The estimated number of individuals is critically low, only about 15 mature individuals in total. The habitat is expected to decline in the future mostly due to cattle and agricultural development.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is restricted to a small area (ca. 63 km²) in the state of Zacatecas, Mexico. Only three separate localities are known.
Countries occurrence:
Native:
Mexico (Zacatecas)
Additional data:
Estimated area of occupancy (AOO) - km2:12
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:The species occurs in very low population densities, with no more than five plants at each of the localities, hence the population is potentially not greater than 15 mature individuals.
Current Population Trend:Decreasing
Additional data:
Number of mature individuals:15

Habitat and Ecology [top]

Habitat and Ecology:Grows in the silty flood plain of a dried lake with scarce desert vegetation, mostly Prosopis and Larrea.
Systems:Terrestrial
Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: The rhizomes of this species are used for medicinal purposes as an anti-inflammatory to treat broken bones.

Threats [top]

Major Threat(s): Habitat destruction mostly by cattle is a major threat. The species is also harvested for medicinal purposes. The area could potentially be impacted by agricultural expansion if bore holes are sunk to get water for irrigation.

Conservation Actions [top]

Conservation Actions: The establishment of protected areas is needed, as this species grows together with other threatened species. Listed on CITES Appendix II.

Citation: Hernández, H.M., Gómez-Hinostrosa, C. & Goettsch, B.K. 2013. Opuntia chaffeyi. The IUCN Red List of Threatened Species 2013: e.T41222A2952609. . Downloaded on 29 July 2016.
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