Micranthocereus violaciflorus 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Caryophyllales Cactaceae

Scientific Name: Micranthocereus violaciflorus Buining
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): Machado, M., Braun, P., Taylor, N.P. & Zappi, D.
Reviewer(s): Goettsch, B.K. & Superina, M.
Facilitator/Compiler(s): Bilz, M.
Micranthocereus violaciflorus is found at three locations in Minas Gerais, Brazil, where its total extent of occurrence is around 2,500 km2. The quality and extent of its habitat are being affected by deforestation for Eucalyptus plantations and fires, which already have led to population declines. Hence, M. violaciflorus is listed as Endangered under criterion B.
Previously published Red List assessments:

Geographic Range [top]

Range Description:The species is restricted to the northern region of Grao Mogol and Serranópolis de Minas, northern Minas Gerais, Brazil. It occurs at elevations of 900 to 1,000 m asl.
Countries occurrence:
Brazil (Minas Gerais)
Additional data:
Number of Locations:3
Lower elevation limit (metres):900
Upper elevation limit (metres):1100
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:The population is declining due to a reduction in habitat quality. The species is rare; the known sites host a total of 1,000 to 2,500 mature individuals.
Current Population Trend:Decreasing
Additional data:

Habitat and Ecology [top]

Habitat and Ecology:Micranthocereus violaciflorus is an element of the northern campo rupestre (northern Serra do Espinhaço), where it grows amongst rocks (Taylor and Zappi 2004).
Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: Seeds and parts of the cactus are collected for ornamental use.

Threats [top]

Major Threat(s): The main threats to the species are fires, which affect the reproduction of the plant, and deforestation of the area for Eucalyptus plantations. The latter are mainly used to produce charcoal. Collection of the seeds and cuttings may represent a minor threat.

Conservation Actions [top]

Conservation Actions: This cactus is not found in any protected area, but extending the Parque Estadual de Grao Mogol slightly to the north would include one of the sites. Monitoring of the population trend is recommended.

Citation: Machado, M., Braun, P., Taylor, N.P. & Zappi, D. 2013. Micranthocereus violaciflorus. The IUCN Red List of Threatened Species 2013: e.T40904A2942075. . Downloaded on 23 April 2018.
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