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Dioon purpusii

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA CYCADOPSIDA CYCADALES ZAMIACEAE

Scientific Name: Dioon purpusii
Species Authority: Rose

Assessment Information [top]

Red List Category & Criteria: Vulnerable A2c; B1ab(iii,iv,v); C1 ver 3.1
Year Published: 2010
Assessor/s: Chemnick, J., Gregory, T. & Morales S.
Reviewer/s: Donaldson, J.S. & Bösenberg, J.D.
Contributor/s:
Justification:
Classified as Vulnerable based on an estimated decline of 47% over the past 50 years, as well as relatively small extent of occurrence and small population size of ca. 3,000 mature individuals
History:
2003 – Vulnerable (IUCN 2003)
2003 – Vulnerable

Geographic Range [top]

Range Description: This species is endemic to Oaxaca state in Mexico. Plants are found in the Tomellin Canyon near Santa Catarina and Tomellin. Occurs at 1,000 to 1,500 m asl.
Countries:
Native:
Mexico (Oaxaca)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: Visits to five localities during 2000-2006 indicated a total of 3,130 plants.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Plants grow in tropical deciduous forest on the sides of steep canyons.
Systems: Terrestrial

Threats [top]

Major Threat(s): The threats to this species are unknown

Conservation Actions [top]

Conservation Actions: This species is listed on Appendix II of the CITES Appendices. Plants occur in the Tehuacán-Cuicatlán Biosphere Reserve.
Citation: Chemnick, J., Gregory, T. & Morales S. 2010. Dioon purpusii. In: IUCN 2012. IUCN Red List of Threatened Species. Version 2012.2. <www.iucnredlist.org>. Downloaded on 19 June 2013.
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