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Dorstenia tenuiradiata

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA URTICALES MORACEAE

Scientific Name: Dorstenia tenuiradiata
Species Authority: Mildbr.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(iii) ver 3.1
Year Published: 2013
Date Assessed: 2012-04-24
Assessor(s): IUCN SSC East African Plants Red List Authority
Reviewer(s): Hilton-Taylor, C.
Contributor(s): Bangirinama, F., Beentje, H.J., Bujo, F., Gereau, R., Kabuye, C., Kalema, J., Kelbessa, E., Kimeu, J.M., Luke, Q., Malombe, I., Manoko, L.M., Maunder, M., Minani, V., Mwachala, G., Mwangoka, M., Ndangalasi, H. & Sado, H.
Facilitator/Compiler(s): Rodrigues, A.
Justification:
This species has an area of occupancy of 179.741 km2 and is found in 10 locations where the threat is from invasive species, hydroelectric projects and habitat conversion for agriculture. There is a continuing decline the quality and extent of habitat of this species.

Geographic Range [top]

Range Description: Found in the Taita Hills, Kenya and the Uluguru, Nguru and Udzungwa Mountains and the Mahembe and Mufindi Scarps, Tanzania.  Last collected in 2007.
Countries:
Native:
Kenya; Tanzania, United Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: No population size estimates are available for this species.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: A succulent herb growing to 1m.  Found in rocky areas of moist woodland or forest.  Also found on inselbergs and in riverine and sub-montane forest.
Systems: Terrestrial

Threats [top]

Major Threat(s): There has been conversion of habitat at the Kimboza collection locality and Uluguru localities in the former for the plantation of Cedrela odorata, and in the latter for agriculture.   Cedrela odorata is an invasive species and poses a threat to this species. 

There is also the potential threat from hydroelectricty projects at Stiegler's Gorge,  although these infrastructure projects are still in discussion.

Conservation Actions [top]

Conservation Actions:

Found in Kanga Forest Reserve, Kimboza Forest Reserve, Selous Game Reserve, Udzungwa Mountains National Park and West Kilombero Scarp Forest Reserve.

Bibliography [top]

IUCN. 2013. IUCN Red List of Threatened Species (ver. 2013.2). Available at: http://www.iucnredlist.org. (Accessed: 13 November 2013).


Citation: IUCN SSC East African Plants Red List Authority 2013. Dorstenia tenuiradiata. The IUCN Red List of Threatened Species. Version 2014.1. <www.iucnredlist.org>. Downloaded on 23 July 2014.
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