|Scientific Name:||Uebelmannia buiningii|
|Red List Category & Criteria:||Critically Endangered B1ab(iii,iv,v) ver 3.1|
|Assessor(s):||Machado, M., Braun, P. & Taylor, N.P.|
|Reviewer(s):||Goettsch, B.K. & Superina, M.|
Uebelmannia buiningii is on the verge of extinction. It is affected by illegal collection of plants and seeds, fire, and cattle trampling. The population has been fragmented into a number of tiny subpopulations. Some subpopulations, including the type locality, have been collected to the point of extirpation. The overall range of the species is very limited (extent of occurrence is 40 km²).
|Range Description:||Uebelmannia buiningii is found at ca 1,200 m asl on the Serra Negra in Minas Gerais, Brazil. It occurs in a single location according to Schulz and Machado (2000). The overall range is very limited (extent of occurrence is 40 km²).|
Native:Brazil (Minas Gerais)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||Some of the subpopulations of this species, including at the type locality, have disappeared. The remaining subpopulations consist of only a few individuals. According to Braun and Esteves Pereira (1988) and Schulz and Machado (2000) Uebelmannia buiningii is on the verge of extinction and is scarcely if at all in cultivation, where it has proved very difficult.|
|Habitat and Ecology:||
This species south-eastern campo rupestre (Serra Negra) element grows on slabs of quartzitic rock amongst gravel (Taylor and Zappi 2004).
|Use and Trade:||The species is collected as an ornamental from the wild. This activity is a major threat.|
|Major Threat(s):||The major threat for this species is illegal collection. Uebelmannia buiningii is practically extinct in the wild and rare in cultivation, it has been indiscriminately collected (plants and seeds) and is threatened by fires and nomadic grazing.|
|Conservation Actions:||The species is listed in CITES Appendix I. It does not occur in any protected areas.|
Braun, P.J. and Esteves Pereira, E. 1988. Uebelmannia buiningii Donald – eine bald ausgerottete Art. Kakteen und Sukkulenten 39: 2–3.
Braun, P.J. and Esteves Pereira, E. 1988. Uebelmannia buiningii Donald — eine bald ausgerottete Art. Kakteen und Sukkulenten 39: 2–3.
IUCN. 2013. IUCN Red List of Threatened Species (ver. 2013.1). Available at: http://www.iucnredlist.org. (Accessed: 12 June 2013).
Nyffeler, R. 1998. The genus Uebelmannia Buining (Cactaceae: Cactoideae). Botanische Jahrbucher fur Systematik 120: 145–163.
Schulz, R. and Machado, M. 2000. Uebelmannia and their environment. Schulz Publishing, Teesdale, Australia.
Taylor, N.P. and Zappi, D.C. 2004. Cacti of Eastern Brazil. Royal Botanic Gardens, Kew.
|Citation:||Machado, M., Braun, P. & Taylor, N.P. 2013. Uebelmannia buiningii. The IUCN Red List of Threatened Species. Version 2015.2. <www.iucnredlist.org>. Downloaded on 01 September 2015.|
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