Cycas clivicola ssp. lutea

Taxonomy

Assessment Information

Geographic Range

Population

Habitat and Ecology

Threats

Conservation Actions

Bibliography

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
PLANTAE	TRACHEOPHYTA	CYCADOPSIDA	CYCADALES	CYCADACEAE

Scientific Name:	Cycas clivicola ssp. lutea
Species Authority:	K.D.Hill
Infra-specific Authority:	K.D.Hill

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: Regarded as Least Concern due to its widespread occurrence and relatively large populations.

Geographic Range [top]

Range Description:	This subspecies occurs in Rayong province, northeast of Klaeng and in Prachin Buri province near Aranyaprathet, Thailand. In Cambodia plants are found between Batdambang and Sisophon. The Viet Namese populations are in An Giang province and near Hat Tien in Kien Giang province.
Countries:	Native: Cambodia; Thailand; Viet Nam
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	This species is a relatively frequent taxon. At the time of the 2003 assessment, K.D. Hill estimated that there were more than 10,000 mature individuals. It can thus be regarded as an abundant and widespread subspecies that is found in generally inaccessible sites.
Population Trend:	Stable

Habitat and Ecology [top]

Habitat and Ecology:	A common subspecies on limestone outcrops in this region, where plants are most often rooted in clefts and crevices in near vertical cliffs, in full sun and often with no soil at the roots.
Systems:	Terrestrial

Threats [top]

Major Threat(s):	Although under severe pressure from plant collectors in some areas, this subspecies is still numerous in some extremely inaccessible sites.

Major Threat(s):

Although under severe pressure from plant collectors in some areas, this subspecies is still numerous in some extremely inaccessible sites.

Conservation Actions [top]

Conservation Actions:	This species is listed on Appendix II of the CITES Appendices.

Conservation Actions:

This species is listed on Appendix II of the CITES Appendices.

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., 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.

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., 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 ssp. lutea. In: IUCN 2011. IUCN Red List of Threatened Species. Version 2011.2. <www.iucnredlist.org>. Downloaded on 24 May 2012.
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