Cylindropuntia calmalliana 


Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Caryophyllales Cactaceae

Scientific Name: Cylindropuntia calmalliana
Species Authority: (J.M.Coult.) F.M.Knuth
Opuntia calmalliana J.M.Coult.
Taxonomic Notes: Hunt et al. (2006) treat C. calmalliana as a synonym of C. molesta; however, others consider C. calmalliana to be a distinct species. The two species are genetically distinct as C. calmalliana is a hexaploid while C. molesta is an octapoid.  In addition, C. molesta is clonal whereas C. calmalliana is not.

Assessment Information [top]

Red List Category & Criteria: Least Concern ver 3.1
Year Published: 2013
Date Assessed: 2010-05-11
Assessor(s): Pinkava, D.J., Baker, M. & Puente, R.
Reviewer(s): Superina, M. & Goettsch, B.K.
Although Cylindropuntia calmalliana has an extent of occurrence of less than 10,000 km², the species is locally common and there are no threats.  Hence, it is listed as Least Concern.

Geographic Range [top]

Range Description: This species is endemic to Mexico, where it is found in a relatively small area straddling the state borders of Baja California and Baja California Sur.
Countries occurrence:
Mexico (Baja California, Baja California Sur)
Continuing decline in extent of occurrence (EOO): No
Upper elevation limit (metres): 48
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is often locally abundant.
Current Population Trend: Stable
Additional data:
Continuing decline of mature individuals: No
Extreme fluctuations: No

Habitat and Ecology [top]

Habitat and Ecology: A very robust spiny shrub that sometimes forms clumps in sandy areas. The species grows on sandy flats and gravelly hillsides in desert scrub. It grows in association with Yucca valida.
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: No

Use and Trade [top]

Use and Trade: This is a very spiny species, so it is not grown for horticulture.

Threats [top]

Major Threat(s): There are no threats to this species.

Conservation Actions [top]

Conservation Actions: This species occurs in the Desierto de Vizcaino Biosphere Reserve.

Citation: Pinkava, D.J., Baker, M. & Puente, R. 2013. Cylindropuntia calmalliana. The IUCN Red List of Threatened Species 2013: e.T181360A1725717. . Downloaded on 27 November 2015.
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