Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Cycadopsida Cycadales Cycadaceae

Scientific Name: Cycas cairnsiana
Species Authority: F.Muell.

Assessment Information [top]

Red List Category & Criteria: Vulnerable D2 ver 3.1
Year Published: 2010
Date Assessed: 2009-10-31
Assessor(s): Hill, K.D.
Reviewer(s): Donaldson, J.S. & Bösenberg, J.D.
Originally classified as NT, but qualifies for Vulnerable D2 based on occurrence at only two locations. At present, there is no evidence of decline, but if the population did show evidence of decline, it could qualify as Endangered under criterion B1+2.
Previously published Red List assessments:
2003 Near Threatened (NT)
1998 Vulnerable (V)

Geographic Range [top]

Range Description: This species occurs in the Newcastle Range to the northeast of Einasleigh in northeastern Queensland, Australia. Occurs at 450-500 m.
Countries occurrence:
Australia (Queensland)
Number of Locations: 2
Lower elevation limit (metres): 450
Upper elevation limit (metres): 550
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This species is known from two subpopulations, which appears to be stable at present.
Current Population Trend: Stable
Additional data:
Number of mature individuals: 2500-10000
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: C. cairnsiana grows in thin, gravelly soil on low hills among large granite boulders, with plants occurring in exposed situations among grass and sparse low shrubs.
Systems: Terrestrial
Generation Length (years): 40

Threats [top]

Major Threat(s): This species may be subject to over-collecting due to the demand for cycads with blue green foliage.

Conservation Actions [top]

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

Citation: Hill, K.D. 2010. Cycas cairnsiana. The IUCN Red List of Threatened Species 2010: e.T41972A10614004. . Downloaded on 09 October 2015.
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