|Scientific Name:||Encephalartos trispinosus (Hook.) R.A.Dyer|
Encephalartos horridus (Jacq.) Lehm. ssp. trispinosus Hook.
|Red List Category & Criteria:||Vulnerable A2cd; C1 ver 3.1|
|Reviewer(s):||Agenbag, L. & Bösenberg, J.D.|
There has been at least a 30% decline in populations due to habitat alteration and collecting since the 1950s based on repeat photographs and monitoring of populations. Therefore qualifies for listing as Vulnerable based on decline criteria and population size.
|Previously published Red List assessments:|
|Range Description:||This species occurs in the Eastern Cape Province of South Africa. Subpopulations are found in the Great Fish, the Bushman's and the Kowie River valleys in the Albany, Bathurst, Fort Beaufort and Peddie districts. Occurs from 100 up to 600 m asl.|
Native:South Africa (Eastern Cape Province)
|Range Map:||Click here to open the map viewer and explore range.|
|Population:||A very difficult species to assess as it is low growing and often occurs in dense thickets of spiny vegetation.|
|Current Population Trend:||Decreasing|
|Habitat and Ecology:||E. trispinosus grows in arid low succulent shrubland on rocky ridges and slopes. They are found in the shade or in full sun on rocky outcrops.|
|Major Threat(s):||E. trispinosus is threatened by illegal collection of wild specimens from their habitat.|
|Conservation Actions:||This species is listed on Appendix I of the CITES Appendices. Populations are protected in the Great Fish River Reserve Complex, the Kap River Nature Reserve and the Water's Meeting Nature Reserve.|
Grobbelaar, N. 2002. CYCADS - with special reference to the southern African species. Privately published by Nat Grobbelaar, Pretoria, South Africa.
IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: http://www.iucnredlist.org. (Accessed: 2 September 2010).
Kemp, M. 1993. Focus on Encephalartos trispinosus. Encephalartos 33: 4-12.
|Citation:||Donaldson, J.S. 2010. Encephalartos trispinosus. The IUCN Red List of Threatened Species 2010: e.T41926A10600535.Downloaded on 21 November 2017.|
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