Aloe ukambensis 

Scope: Global
Language: English

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Taxonomy [top]

Kingdom Phylum Class Order Family
Plantae Tracheophyta Liliopsida Liliales Aloaceae

Scientific Name: Aloe ukambensis Reynolds

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(ii,v); C2a(i) ver 3.1
Year Published: 2009
Date Assessed: 2006-11-04
Needs updating
Assessor(s): Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project Participants
Reviewer(s): Beentje, H., Gereau, R., Kabuye, C., Kalema, J., Luke, Q., Lyaruu, H., Maunder, M., Mwachala, G., Ndangalasi, H., Njau, F., Schatz, G. & Wabuele, E. (East African Plants Red List Authority)
The species has an area of occupancy of less than 2,000 km², is known from fewer than ten locations which are severely fragmented, the population size is estimated to be less than 10,000 mature individuals with fewer than 1,000 in each subpopulation. There is also projected continuing decline due to habitat disturbance through the collection of rocks and direct exploitation by collectors, hence is listed as Vulnerable.
Previously published Red List assessments:

Geographic Range [top]

Range Description:Recorded from Ndi Hill, Mbinzau Hill and Katumba Hill in the Chyulu Hills area of southeastern Kenya.
Countries occurrence:
Additional data:
Estimated area of occupancy (AOO) - km2:1999Continuing decline in area of occupancy (AOO):Yes
Extreme fluctuations in area of occupancy (AOO):NoEstimated extent of occurrence (EOO) - km2:20321
Continuing decline in extent of occurrence (EOO):NoExtreme fluctuations in extent of occurrence (EOO):No
Number of Locations:5-9
Lower elevation limit (metres):520
Upper elevation limit (metres):1372
Range Map:Click here to open the map viewer and explore range.

Population [top]

Population:Very common locally at two localities, but in other places only a few individuals are found.
Current Population Trend:Unknown
Additional data:
Number of mature individuals:2500-9999Continuing decline of mature individuals:Yes
Population severely fragmented:Yes

Habitat and Ecology [top]

Habitat and Ecology:Grows on rock slabs in dry succulent vegetation with Euphorbia, Commiphora, Lannea, etc. The surrounding vegetation is deciduous woodland.

Use and Trade [top]

Use and Trade: See under threats.

Threats [top]

Major Threat(s): Is a desirable species to succulent collectors because of the dark red colour of the flowers and the leaves are striated. Rocks are also collected in these areas for building purposes which may have an impact on the habitat.

Conservation Actions [top]

Conservation Actions: Has been recorded from one locality on or near the boundary of Tsavo East National Park, hence probably also occurs within the protected area.

The species is in cultivation.

Citation: Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project Participants. 2009. Aloe ukambensis. The IUCN Red List of Threatened Species 2009: e.T158024A5182749. . Downloaded on 20 May 2018.
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