Micranthocereus auriazureus 


Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Caryophyllales Cactaceae

Scientific Name: Micranthocereus auriazureus
Species Authority: Buining & Brederoo
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 [top]

Red List Category & Criteria: Endangered B1ab(iii) ver 3.1
Year Published: 2013
Date Assessed: 2010-06-03
Assessor(s): Taylor, N.P., Machado, M., Braun, P. & Zappi, D.
Reviewer(s): Goettsch, B.K.
Facilitator/Compiler(s): Hilton-Taylor, C.
Micranthocereus auriazureus is listed as Endangered due to its very restricted distribution, the extent of occurrence below the threshold for this category and the species has less than five locations. Although more than half of the population is within a protected area, the quality of habitat for the species outside is continuously declining due to fires, deforestation, forest plantations and agriculture.
Previously published Red List assessments:
2002 Endangered (EN)

Geographic Range [top]

Range Description: Micranthocereus auriazureus is native from Grao Mogol Cristalia and the northernmost part of Botumirim, northern Minas Gerais. It is endemic to the core area within Minas Gerais. It grows at elevations of 750-1,000 m asl.
Countries occurrence:
Brazil (Minas Gerais)
Number of Locations: 4
Lower elevation limit (metres): 750
Upper elevation limit (metres): 1000
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species has a very restricted range but is locally abundant.
Current Population Trend: Decreasing
Additional data:

Habitat and Ecology [top]

Habitat and Ecology: This cactus is an element of south-eastern campo rupestre (Grão Mogol, Cristalia and Botumirim), where it grows between crystalline rocks and in quartz gravel (Taylor and Zappi 2004).
Systems: Terrestrial
Continuing decline in area, extent and/or quality of habitat: Yes
Generation Length (years): 10-15

Use and Trade [top]

Use and Trade: This plant is not utilised.

Threats [top]

Major Threat(s): Micranthocereus auriazureus is mainly affected by deforestation for charcoal production, conversion of the habitat into agricultural land or Eucalyptus plantations and man-made fires are the main threats to the species.

Conservation Actions [top]

Conservation Actions: Part of the population of this cactus species occurs in a protected area, Parque Estadual de Grao Mogol.

Citation: Taylor, N.P., Machado, M., Braun, P. & Zappi, D. 2013. Micranthocereus auriazureus. The IUCN Red List of Threatened Species 2013: e.T40906A2942367. . Downloaded on 30 November 2015.
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