Astrophytum caput-medusae 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Caryophyllales Cactaceae

Scientific Name: Astrophytum caput-medusae (Velazco & Nevárez) D.R.Hunt
Digitostigma caput-medusae Velazco & Nevárez
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: Digitostigma caput-medusae Velazco & Nevárez is a synonym.

Assessment Information [top]

Red List Category & Criteria: Critically Endangered B1ab(iii,v) ver 3.1
Year Published: 2013
Date Assessed: 2009-11-19
Assessor(s): Gómez-Hinostrosa, C. & Hernández, H.M.
Reviewer(s): Chanson, J.S.
The species is considered Critically Endangered due to its very limited distribution (<100 km²), occurrence in a single location and rapid and ongoing decline due to illegal over collecting and trampling by livestock.

Geographic Range [top]

Range Description:This species is endemic to Mexico, occurring in the state of Nuevo León at elevations of 100 to 200 m asl (Hernández and Gómez-Hinostrosa 2011).
Countries occurrence:
Mexico (Nuevo León)
Additional data:
Lower elevation limit (metres):100
Upper elevation limit (metres):200
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:It is known from only one site, and within its very limited range it is reportedly abundant. Very little is known about populations of this species.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:No

Habitat and Ecology [top]

Habitat and Ecology:It occurs in xerophyllous scrub.

Use and Trade [top]

Use and Trade: This newly described species is highly sought after by collectors and the species is declining due to illegal collection for ornamental use.

Threats [top]

Major Threat(s): It occurs in a very small area which is frequently visited by collectors, and thus the species is in decline. In addition plants are trampled by grazing of livestock goats.

Conservation Actions [top]

Conservation Actions: The species would benefit from off site propagation and site conservation. This species is legally protected in Mexico by the national list of species at risk of extinction, NOM-059-SEMARNAT-2010, where it is listed under category “at risk of extinction” (P; SEMARNAT 2010).

Citation: Gómez-Hinostrosa, C. & Hernández, H.M. 2013. Astrophytum caput-medusae. The IUCN Red List of Threatened Species 2013: e.T152743A673052. . Downloaded on 18 June 2018.
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