Zamia disodon 


Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Cycadopsida Cycadales Zamiaceae

Scientific Name: Zamia disodon
Species Authority: D.W.Stev. & Sabato

Assessment Information [top]

Red List Category & Criteria: Critically Endangered A2abd; B2ab(i,ii,iii) ver 3.1
Year Published: 2010
Date Assessed: 2009-10-31
Assessor(s): Stevenson, D.W.
Reviewer(s): Donaldson, J.S. & Bösenberg, J.D.
Qualifies for Critically Endangered status based on estimated decline of >80% over two generations. It also has a very small area of occupancy and is known only from two collections, possibly from different parts of the same location.
Previously published Red List assessments:
2003 Critically Endangered (CR)

Geographic Range [top]

Range Description: This species is known only from two collections, nl. the type locality and one other nearby population in Northern Colombia. This species is expected to be in the southern Darien of Panama, but this has not been confirmed. Z. disodon is also known from a disjunct single locality in Huanuco province, Peru (Near Pachitea and Puerto Inca). However. this may be a misidentified population (A. Lindstrom pers. comm.)
Countries occurrence:
Colombia (Colombia (mainland)); Peru
Estimated area of occupancy (AOO) - km2: 10
Number of Locations: 1
Lower elevation limit (metres): 400
Upper elevation limit (metres): 800
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: The total population size of Z. disodon is estimated to be less than 400 plants in the wild.
Current Population Trend: Decreasing
Additional data:
Number of mature individuals: 400
Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology: This species is found in clay soils of secondary and primary rainforest at 400-800 meters altitude.
Systems: Terrestrial
Generation Length (years): 30

Threats [top]

Major Threat(s): This species has been affected by habitat destruction as a result of clearing to make way for banana plantations.

Conservation Actions [top]

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

Citation: Stevenson, D.W. 2010. Zamia disodon. The IUCN Red List of Threatened Species 2010: e.T42109A10648936. . Downloaded on 02 December 2015.
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