Zamia macrochiera 


Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Cycadopsida Cycadales Zamiaceae

Scientific Name: Zamia macrochiera
Species Authority: D.W.Stev.

Assessment Information [top]

Red List Category & Criteria: Critically Endangered A2abd; B2ab(i,ii,iii,v); C1 ver 3.1
Year Published: 2010
Date Assessed: 2009-10-31
Assessor(s): Stevenson, D.W.
Reviewer(s): Donaldson, J.S. & Bösenberg, J.D.
Z. macrochiera is known from only two very small subpopulations. Qualifies for Critically Endangered based on estimated decline of >80% over three generations and small declining population (100 plants).
Previously published Red List assessments:
2003 Critically Endangered (CR)

Geographic Range [top]

Range Description: This species occurs in Peru. Plants are found in the vicinity of the towns of Pebas and Pucaurquillo in the Maynas province of the Loreto region. The localities are near the Rio Amiyacu and Rio Napo.
Countries occurrence:
Estimated area of occupancy (AOO) - km2: 10
Number of Locations: 2
Lower elevation limit (metres): 100
Upper elevation limit (metres): 300
Range Map: Click here to open the map viewer and explore range.

Population [top]

Current Population Trend: Decreasing
Additional data:
Number of mature individuals: 100
Population severely fragmented: Yes

Habitat and Ecology [top]

Habitat and Ecology: Plants occur in the understorey of primary and secondary rain forest.
Systems: Terrestrial
Generation Length (years): 30

Threats [top]

Major Threat(s): This habitat of this species has been disturbed and the type locality was in the process of being converted from secondary forest to a communal garden.

Conservation Actions [top]

Conservation Actions: This species is listed on Appendix II of the CITES Appendices. The species appears to have populations of ants that live in special tunnel-like flaps at the leaflet bases, highlighting the need for in situ conservation to protect such specific interactions.

Citation: Stevenson, D.W. 2010. Zamia macrochiera. The IUCN Red List of Threatened Species 2010: e.T42112A10650637. . Downloaded on 01 December 2015.
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