Cycas taiwaniana

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• Classification Schemes
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• Bibliography
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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
PLANTAE	TRACHEOPHYTA	CYCADOPSIDA	CYCADALES	CYCADACEAE

Scientific Name:	Cycas taiwaniana
Species Authority:	Carruth.

Assessment Information [top]

Red List Category & Criteria:	Endangered   A2acd   ver 3.1
Year Published:	2010
Assessor/s:	Hill, K.D.
Reviewer/s:	Donaldson, J.S. & Bösenberg J.D.
Justification: Estimated to have declined substantially (50-80%) over the past three generations (120 years) due to local trade in ornamental plants and habitat degradation. Whitelock (2002) considered this species as being possibly Extinct in the Wild.
History:	2003 – Endangered (IUCN 2003) 1997 – Vulnerable (Walter and Gillett 1998)

Geographic Range [top]

Range Description:	This species is widespread but sporadic, in the northwestern region of Guangdong and eastern region of Guangxi provinces of China. Subpopulations are also found in the southwestern region of the Hunan and southeastern region of the Yunnan provinces. Despite its name, this species is not known to occur in Taiwan. Has been recorded from 400 up to 1,100 m asl.
Countries:	Native: China (Guangdong, Guangxi, Hunan, Yunnan)
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	The population size is estimated to number between 1,00 and 5,000 mature individuals.
Population Trend:	Decreasing

Habitat and Ecology [top]

Habitat and Ecology:	Grows on steep slopes on shallow skeletal soils. Plants are found in sunny, grassy places or sparse, mixed forests, often disturbed places. The climate is warm to hot and humid all year.
Systems:	Terrestrial

Threats [top]

Major Threat(s):

This species has been severely depleted by collection from the wild. Habitat destruction over the centuries has also had a major effect on the populations.

Conservation Actions [top]

Conservation Actions:

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

Bibliography [top]

Chen, J. and Stevenson, D.W. 2006. Flora of China. Available at: www.efloras.org. IUCN. 2010. IUCN Red List of Threatened Species (ver. 2010.3). Available at: http://www.iucnredlist.org. (Accessed: 2 September 2010). Wang, F., Liang H., Tanqing, C. and Dingyue, W. (eds ). 1996. Cycads in China. Guangdong Science and Technology Press, Guangdong, China. Whitelock, L.M. 2002. The Cycads. Timber Press, Portland, Oregon.