Uvaria dependens 

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
Plantae	Tracheophyta	Magnoliopsida	Magnoliales	Annonaceae

Scientific Name:	Uvaria dependens Engl. & Diels
Synonym(s):	Uvariastrum dependens (Engl. & Diels) Engl. & Diels

Assessment Information [top]

Red List Category & Criteria:	Endangered B1ab(iii) ver 3.1
Year Published:	2009
Date Assessed:	2006-03-02
Annotations:	Needs updating
Assessor(s):	Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project
Reviewer(s):	Beentje, H., Gereau, R., Kabuye, C., Kalema, J., Luke, Q., Lyaruu, H., Maunder, M., Mwachala, G., Ndangalasi, H., Njau, F. & Schatz, G. (East African Plants Red List Authority)
Justification: The extent of occurrence is less than 5,000 km², the species is known from only three locations and there is continuing decline due to the impacts of people and invasive species on the extent and quality of the habitat where it is found. Should further surveys show this species to be more extensive in occurrence and that it is tolerant of disturbance, its status may need to be changed to Near Threatened.

Geographic Range [top]

Range Description:	Known from three areas in Tanzania: East Usambara Mts (Amani), Udzungwa Mountains National Park and Dabaga Highlands, near Kibengu.
Countries occurrence:	Native: Tanzania, United Republic of
Additional data:	♦ Number of Locations: 3 ♦ Lower elevation limit (metres): 800 ♦ Upper elevation limit (metres): 1950
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	Population seems to be small, but hard to tell as being a liane in the canopy it is difficult to spot.
Current Population Trend:	Stable
Additional data:	♦ Population severely fragmented: No

Habitat and Ecology [top]

Habitat and Ecology:	An extensive liane which climbs to the tops of canopy trees in riverine forest. Can probably exceed 30 m in length.
Systems:	Terrestrial
Continuing decline in area, extent and/or quality of habitat:	Yes

Threats [top]

Major Threat(s):

There is loss of habitat due to fires and encroaching cultivation, but may not be too severe. Amani was invaded by gold miners in 2005, although they have since been removed. There is also a problem with invasive alien plant species.

Conservation Actions [top]

Conservation Actions:

Has been recorded from Udzungwa Mountain National Park, Ihangana Forest Reserve and Amani Nature Reserve.

Classifications [top]

Bibliography [top]

IUCN. 2009. IUCN Red List of Threatened Species (ver. 2009.2). Available at: www.iucnredlist.org. (Accessed: 3 November 2009). Verdcourt, B. 1971. Annonaceae. In: C.E. Milne-Redhead and R.M. Polhill (eds), Flora of Tropical East Africa. Crown Agents for Overseas Governments and Administrations, London.