Mammillaria sanchez-mejoradae
| Kingdom |
Phylum |
Class |
Order |
Family |
| PLANTAE |
TRACHEOPHYTA |
MAGNOLIOPSIDA |
CARYOPHYLLALES |
CACTACEAE |
| Scientific Name: |
Mammillaria sanchez-mejoradae |
| Species Authority: |
R.González |
|
Common Name/s:
|
| Taxonomic Notes: |
Accepted as a valid species by Anderson (2001), Hunt (1999) and Pilbeam (1999). |
Assessment Information
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| Red List Category & Criteria: |
Critically Endangered
B1ab(v)+2ab(v)
ver 3.1
|
| Year Published: |
2002 |
| Assessor/s: |
Fitz Maurice, W.A. & Fitz Maurice, B. |
| Reviewer/s: |
Stuppy, W. & Taylor, N.P. (Cacti & Succulent Plant Red List Authority) |
Justification:
Qualifies due to its small population in a single area, where it continues to decline as a result of illegal collecting.
|
Geographic Range
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| Range Description: |
Since this species was discovered by Gonzalez more than 15 years ago, the population has diminished by an estimated 75%. Grows among low calcareous rock outcroppings over a range of 1 km². Current estimated population is less than 500 individuals.
|
| Countries: |
Native:
Mexico (Nuevo León)
|
| Range Map: |
Click here to open the map viewer and explore range.
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Population
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| Population Trend: |
Decreasing
|
Habitat and Ecology
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| Habitat and Ecology: |
On steep volcanic rock in semi-desert at about 2,300 m altitude.
|
| Systems: |
Terrestrial |
| Major Threat(s): |
Very threatened by illegal collecting. The location is well known to both commercial and amateur collectors. While the area is enclosed by an electric fence to prevent theft of farming machinery, access is available for a small fee.
|
Conservation Actions
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| Conservation Actions: |
Listed on CITES App. II, but enforcement of the laws in the countries of destination is needed. This species is widely propagated.
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Bibliography
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|
Anderson, E.F. 2001. The Cactus Family. Timber Press, Portland.
González, R. 1992. Mammillaria sanchez-mejoradae Una especie nueva de familia Cactaceae. Cactaceas y Suculentas Mexicanas 37: 3.
Hunt, D. 1999. CITES Cactaceae Checklist, 2nd ed. Royal Botanic Gardens, Kew and International Organization for Succulent Plant Study (IOS).
IUCN. 2002. 2002 IUCN Red List of Threatened Species. www.iucnredlist.org. Downloaded on 8 October 2002.
Pilbeam, J. 1999. Mammillaria. Cirio Publishing Services, Southampton.
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