Myrtillocactus Schenckii

The IUCN Red List of Threatened Species™ ISSN 2307-8235 (online) IUCN 2008: T152217A611008

Myrtillocactus schenckii

Assessment by: Arias, S. & Zavala-Hurtado, A.

View on www.iucnredlist.org

Citation: Arias, S. & Zavala-Hurtado, A. 2013. Myrtillocactus schenckii. The IUCN Red List of Threatened Species 2013: e.T152217A611008. http://dx.doi.org/10.2305/IUCN.UK.2013- 1.RLTS.T152217A611008.en

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THE IUCN RED LIST OF THREATENED SPECIES™ Taxonomy

Kingdom Phylum Class Order Family

Plantae Tracheophyta Magnoliopsida Caryophyllales Cactaceae

Taxon Name: Myrtillocactus schenckii (J.A.Purpus) Britton & Rose

Synonym(s): • Cereus schenkii J.A.Purpus

Taxonomic Source(s): Hunt, D., Taylor, N. and Charles, G. (compilers and editors). 2006. The New Cactus Lexicon. dh Books, Milborne Port, UK. Assessment Information

Red List Category & Criteria: Least Concern ver 3.1

Year Published: 2013

Date Assessed: April 29, 2009

Justification: Myrtillocactus schenckii is considered to be Least Concern due to relatively abundant populations, lack of threats and its occurrence in protected areas. Geographic Range

Range Description: This species occurs in the Mexican States of Chiapas, Oaxaca and Puebla (Arias et al. 1997) and in Guatemala. It grows at elevations of 1,300 to 2,000 m asl.

Country Occurrence: Native: Guatemala; Mexico (Chiapas, Oaxaca, Puebla)

© The IUCN Red List of Threatened Species: Myrtillocactus schenckii – published in 2013. 1 http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T152217A611008.en Population This species is abundant and the subpopulations are stable. Current Population Trend: Stable

Habitat and Ecology (see Appendix for additional information) The species occurs in tropical deciduous forest and xerophyllous scrub (Arias et al. 1997). The seeds are dispersed by birds, bats and humans.

Systems: Terrestrial

Use and Trade (see Appendix for additional information) The fruit is eaten locally.

Threats (see Appendix for additional information) There are no major threats. However, traditional agro-silvicultural systems that enhances the maintenance of diversity are being substituted by practices that eliminate the vegetation cover, which does not benefit the species (Casas et al. 2006).

Conservation Actions (see Appendix for additional information) The species is distributed within the Tehuacán-Cuicatlán Bisphere Reserve (Méndez-Larios et al. 2006). Monitoring populations and the process of domestication are research priorities. Credits

Assessor(s): Arias, S. & Zavala-Hurtado, A.

Reviewer(s): Superina, M. & Goettsch, B.K.

Facilitators(s) and Schipper, J. Compiler(s):

© The IUCN Red List of Threatened Species: Myrtillocactus schenckii – published in 2013. 2 http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T152217A611008.en Bibliography Arias, M.S., Gama, S. and Guzmán, U. 1997. Flora del Valle de Tehuacán-Cuicatlán. Fasículo 14. Cactaceae A.L. Juss. Instituto de Biología, UNAM, Mexico.

Casas, A., Cruse, J., Morales, E., Otero-Arnaiz, A. & Valiente-Banuet, A. 2006. Maintenance of phenotypic and genotypic diversity of Stenocereus stellatus (Cactaceae) by indigenous peoples in Central Mexico. Biodiversity and Conservation 15: 879–898.

IUCN. 2013. IUCN Red List of Threatened Species (ver. 2013.1). Available at: http://www.iucnredlist.org. (Accessed: 12 June 2013).

Méndez-Larios, I., Lira, R., Godínez-Alvarez, H., Dávila, P. and Ortiz, E. 2006. Proposal for the establishment of the core zones in the Biosphere Reserve of Tehuacán-Cuicatlán, Mexico. Biodiversity and Conservation 15: 1627-1659.

Citation Arias, S. & Zavala-Hurtado, A. 2013. Myrtillocactus schenckii. The IUCN Red List of Threatened Species 2013: e.T152217A611008. http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T152217A611008.en

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Habitats (http://www.iucnredlist.org/technical-documents/classification-schemes)

Major Season Suitability Habitat Importance? 1. Forest -> 1.5. Forest - Subtropical/Tropical Dry Resident Suitable Yes

3. Shrubland -> 3.5. Shrubland - Subtropical/Tropical Dry Resident Suitable Yes

Use and Trade (http://www.iucnredlist.org/technical-documents/classification-schemes)

End Use Local National International Food - human Yes No No

Threats (http://www.iucnredlist.org/technical-documents/classification-schemes)

Threat Timing Scope Severity Impact Score 2. Agriculture & aquaculture -> 2.1. Annual & Ongoing - - - perennial non-timber crops -> 2.1.2. Small-holder farming Stresses: 1. Ecosystem stresses -> 1.1. Ecosystem conversion 1. Ecosystem stresses -> 1.2. Ecosystem degradation

Conservation Actions in Place (http://www.iucnredlist.org/technical-documents/classification-schemes)

Conservation Actions in Place In-Place Land/Water Protection and Management

Occur in at least one PA: Yes

In-Place Education

Included in international legislation: Yes

Subject to any international management/trade controls: Yes

Research Needed (http://www.iucnredlist.org/technical-documents/classification-schemes)

© The IUCN Red List of Threatened Species: Myrtillocactus schenckii – published in 2013. 4 http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T152217A611008.en Research Needed 1. Research -> 1.2. Population size, distribution & trends

3. Monitoring -> 3.1. Population trends

Additional Data Fields

Distribution Lower elevation limit (m): 1300

Upper elevation limit (m): 2000

Population Population severely fragmented: No

© The IUCN Red List of Threatened Species: Myrtillocactus schenckii – published in 2013. 5 http://dx.doi.org/10.2305/IUCN.UK.2013-1.RLTS.T152217A611008.en The IUCN Red List of Threatened Species™ ISSN 2307-8235 (online) IUCN 2008: T152217A611008

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