Cycas clivicola
Taxonomy [top]
| Kingdom | Phylum | Class | Order | Family |
|---|---|---|---|---|
| PLANTAE | TRACHEOPHYTA | CYCADOPSIDA | CYCADALES | CYCADACEAE |
| Scientific Name: | Cycas clivicola |
| Species Authority: | K.D.Hill |
| Infra-specific Taxa Assessed: | |
| Taxonomic Notes: | This species has two subspecies: C. clivicola ssp. clivicola and C. clivicola ssp. lutea, which are assessed separately |
Assessment Information [top]
| Red List Category & Criteria: | Least Concern ver 3.1 | |||
| Year Published: | 2010 | |||
| Assessor/s: | Hill, K.D | |||
| Reviewer/s: | Donaldson, J.S. & Bösenberg, J.D. | |||
|
Justification: The two subspecies have been assessed as Least concern and the overall assessment is Least Concern. This species occurs over a wide range (>300,000 km²) and is regarded as stable and relatively abundant. |
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Geographic Range [top]
| Range Description: | This species occurs on limestone outcrops in Thailand, both on the mainland and on the islands. It is also found in the Perlis state of Malaysia and in Cambodia and Viet Nam. Occurs from sea level up to 60 m. |
| Countries: |
Native:
Cambodia; Malaysia (Peninsular Malaysia); Thailand; Viet Nam
Presence uncertain:
Lao People's Democratic Republic
|
| Range Map: | Click here to open the map viewer and explore range. |
Population [top]
| Population: | This is an abundant and widespread species. The actual population numbers have not been estimated. |
| Population Trend: |
Stable
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Habitat and Ecology [top]
| Habitat and Ecology: | This species occurs on limestone outcrops. Plants are found on near-vertical cliffs in full sun. |
| Systems: | Terrestrial |
Threats [top]
| Major Threat(s): | The species is collected for ornamental purposes. |
Conservation Actions [top]
| Conservation Actions: | This species is listed on Appendix II of the CITES Appendices. Plants are found in the Perlis State Park in Malaysia. |
Bibliography [top]
|
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.nsw.gov.au/PlantNet/cycad/index.html. Hill, K.D. and Yang, S.-L. 1999. The genus Cycas (Cycadaceae) in Thailand. Brittonia 51(1): 48-73. Hill K.D., Nguyen, H.T. and Loc, P.K. 2004. The Genus Cycas (Cycadaceae) in Vietnam. The Botanical review 70(2): 134-193. IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: http://www.iucnredlist.org. (Accessed: 2 September 2010). Tang, W. 2001. Focus on Cycas clivicola subsp. clivicola. Encephalartos 67: 8-13. Whitelock, L.M. 2002. The Cycads. Timber Press, Portland, Oregon. |
| Citation: | Hill, K.D 2010. Cycas clivicola. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 25 May 2012. |
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