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Coryphantha hintoniorum

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA CARYOPHYLLALES CACTACEAE

Scientific Name: Coryphantha hintoniorum
Species Authority: Dicht & A.Lüthy
Taxonomic Notes: Two subspecies are recognized, the typical form and subsp. geoffrey Dicht & A.Lüthy. These are not assessed separately.

Assessment Information [top]

Red List Category & Criteria: Vulnerable A2ac; B1ab(i,ii) ver 3.1
Year Published: 2013
Date Assessed: 2009-11-16
Assessor(s): Dicht, R.F. & Lüthy, A.D.
Reviewer(s): Chanson, J.S. & Hilton-Taylor, C.
Justification:
This species was discovered in 1997, and since then the area where it occurs has undergone continuing transformation for agricultural purposes, which has resulted in an estimated 30% population loss in a short period (six years). Therefore the species is listed as Vulnerable.
History:
2002 Vulnerable
2002 Vulnerable

Geographic Range [top]

Range Description: This species is endemic to Mexico, where it occurs in the states of Coahuila, Nuevo León and San Luis Potosí, at elevations of 1,800 to 2,600 m asl (Dicht and Lüthy 2003).
Countries:
Native:
Mexico (Coahuila, Nuevo León, San Luis Potosí)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is known from two locations, with 21 very fragmented subpopulations each comprising only a very small number of plants (5–20 each). The plants are very scattered on prairies. Since its discovery in 1997, several subpopulations were destroyed by agricultural activity. This decline in extent of occurrence has happened very rapidly.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: This species grows on sandy-loamy alluvial plains with gypsum and on deep soils on grassy areas close to pine forests (Dicht and Lüthy 2003). The generation length is 11 years.
Systems: Terrestrial

Use and Trade [top]

Use and Trade: It is unknown if the species is utilized.

Threats [top]

Major Threat(s): A constant loss of plants due to agricultural activities (cultivation) has been observed in recent years. The size of the untouched prairie is diminishing from year to year.

Conservation Actions [top]

Conservation Actions: This species is listed on CITES Appendix II. Plants are being propagated through ex situ cultivation.

Citation: Dicht, R.F. & Lüthy, A.D. 2013. Coryphantha hintoniorum. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 29 August 2014.
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