|Scientific Name:||Zamia encephalartoides D.W.Stev.|
|Red List Category & Criteria:||Vulnerable A2acd; C1 ver 3.1|
|Reviewer(s):||Donaldson, J.S. & Bösenberg, J.D.|
Classified as at least Vulnerable based on decline of >30% in habitat as well as small estimated population size (5,000 mature individuals). It may qualify as Endnagered based on a known extent of occurrence of only 266 km², but the number of locations is not known.
|Previously published Red List assessments:|
|Range Description:||This species is endemic to Colombia, where it is present in the province of Santander. Plants are found near Rio Chicamocha and Rio Umpala.|
Native:Colombia (Colombia (mainland))
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||This species is known from 2 localities with only scattered plants in one locality. One of the largest subpopulations near Umpala comprises about 1,000 large plants. Overall population size is estimated to be about 5,000.|
|Current Population Trend:||Decreasing|
|Habitat and Ecology:||Z. encephalartoides grows in open situations in scrubby forest on slopes of steep canyons and ridges.|
|Generation Length (years):||30|
|Major Threat(s):||The main threat appears to be encroaching farming. Some sites are severely eroded.|
|Conservation Actions:||This species is listed on Appendix II of the CITES Appendices.|
Donaldson, J.S. 2006. Notes.
Donaldson, J.S. (ed.). 2003. Cycads. Status Survey and Conservation Action Plan. IUCN/SSC Cycad Specialist Group. IUCN, Gland, Switzerland and Cambridge, UK.
Hill, K.D. and Stevenson, D.W. 1998-2006. The Cycad Pages. Available at: http://plantnet.rbgsyd.gov.au/PlantNet/cycad/.
IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: http://www.iucnredlist.org. (Accessed: 2 September 2010).
Jones, D.L. 2002. Cycads of the World (2nd edition). Smithsonian Institute Press, Washington, DC.
Whitelock, L.M. 2002. The Cycads. Timber Press, Portland, Oregon.
|Citation:||Stevenson, D.W. 2010. Zamia encephalartoides. The IUCN Red List of Threatened Species 2010: e.T42151A10668503.Downloaded on 19 November 2017.|
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