© Quentin Luke

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Taxonomy [top]

Kingdom	Phylum	Class	Order	Family
Plantae	Tracheophyta	Magnoliopsida	Magnoliales	Annonaceae

Scientific Name:	Uvariopsis bisexualis
Species Authority:	Verdc.

Assessment Information [top]

Red List Category & Criteria:	Endangered B1ab(iii) ver 3.1
Year Published:	2009
Date Assessed:	2006-03-02
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 about 500 km², the population is severely fragmented and known from four locations and there is continuing decline due to habitat loss and degradation. hence although some sites are relatively secure the species is listed as Endangered.
Previously published Red List assessments:	1998 – Vulnerable (VU) Download assessment

Geographic Range [top]

Range Description:	Found in the West Usambara Mts and again in the Udzwunga Mts (has a disjunct distribution), Tanzania.
Countries occurrence:	Native: Tanzania, United Republic of
Additional data:	♦ Estimated area of occupancy (AOO) - km2: 49 ♦ Number of Locations: 4 ♦ Lower elevation limit (metres): 1300 ♦ Upper elevation limit (metres): 1600
Range Map:	Click here to open the map viewer and explore range.

Population [top]

Population:	Not very common.
Current Population Trend:	Decreasing
Additional data:	♦ Population severely fragmented: Yes

Habitat and Ecology [top]

Habitat and Ecology:	A tree found in sub-montane to montane forest on steep slopes with small streams and swamps, and patches of elfin forest on ridge top.
Systems:	Terrestrial
Continuing decline in area, extent and/or quality of habitat:	Yes

Threats [top]

Major Threat(s):

This species is fairly secure in the Udzungwa Mts, but the habitat is under threat in the Usambara Mts due to exapnsion of agricultural and other human activities, increasing use of fire, etc.

Conservation Actions [top]

Conservation Actions:

Recorded in the Udzungwa Mountains National Park, Kilombero Nature Reserve, and Mazumbai Forest 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. 1986. New taxa of East African Annonaceae. Kew Bulletin 41(2): 287-297.