Rhipsalis pilocarpa 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Magnoliopsida Caryophyllales Cactaceae

Scientific Name: Rhipsalis pilocarpa Loefgr.
Taxonomic Source(s): Hunt, D., Taylor, N. and Charles, G. (compilers and editors). 2006. The New Cactus Lexicon. dh Books, Milborne Port, UK.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(ii,iii,iv) ver 3.1
Year Published: 2017
Date Assessed: 2010-06-04
Assessor(s): Taylor, N.P. & Zappi, D.
Reviewer(s): Chanson, J.S. & Goettsch, B.K.
Facilitator/Compiler(s): Hilton-Taylor, C.
This species is known from only eight localities throughout its entire range and is apparently rare. Its area of occupancy is estimated to be less than 2,000 km², its range is severely fragmented, and there is and ongoing decline in the extent and quality of its habitat.
Previously published Red List assessments:

Geographic Range [top]

Range Description:This species is found in southern Minas Gerais (Rio Preto) and southern Espírito Santo (Domingos Martins); southeastern and southern Brazil (Sao Paulo, Rio de Janeiro to Paraná). It is known only from eight sites across its range. It occurs at 500 to 900 m asl.
Countries occurrence:
Brazil (Espírito Santo, Minas Gerais, Paraná, Rio de Janeiro, São Paulo)
Additional data:
Estimated area of occupancy (AOO) - km2:500-1999Continuing decline in area of occupancy (AOO):Yes
Estimated extent of occurrence (EOO) - km2:
Number of Locations:8Continuing decline in number of locations:Yes
Lower elevation limit (metres):500
Upper elevation limit (metres):900
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:From the collections the population appears to be small and restricted to small areas in primary forest. Most of the collections are quite old which indicates that it is seldom seen; it is a very distinct species and unlikely to be ignored.
Current Population Trend:Decreasing
Additional data:
Population severely fragmented:Yes
Continuing decline in subpopulations:Yes

Habitat and Ecology [top]

Habitat and Ecology:It is a southern humid forest element: epiphyte (rarely lithophyte) in Mata atlantica. It occurs in eight locations, and is widely distributed but rarely observed in nature.
Continuing decline in area, extent and/or quality of habitat:Yes

Use and Trade [top]

Use and Trade: It is grown as an ornamental.

Threats [top]

Major Threat(s): Loss of habitat due to expanding agriculture and urbanization (especially at the type locality) is a major threat.

Conservation Actions [top]

Conservation Actions: It is listed on CITES Appendix II. The species is not included in UCs (Biodiversitas). It occurs in the Parque Estadual Carlos Botelho.

Amended [top]

Amended reason: The species distribution map has been included.

Citation: Taylor, N.P. & Zappi, D. 2017. Rhipsalis pilocarpa (amended version of 2013 assessment). The IUCN Red List of Threatened Species 2017: e.T40871A121556373. . Downloaded on 20 August 2018.
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