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Polyceratocarpus scheffleri

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA MAGNOLIALES ANNONACEAE

Scientific Name: Polyceratocarpus scheffleri
Species Authority: Engl. & Diels
Taxonomic Notes: Thomas Couvreur (pers. comm.) thinks that the type specimen for Anonidium usambarense may in fact be this taxon.

Assessment Information [top]

Red List Category & Criteria: Endangered B1ab(i,ii,iii,iv,v) 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 <5,000 km², only known from five locations and the population is severely fragmented and there is continuing decline due to habitat loss and disturbance (from expanding agriculture and spread of alien invasive species) with the subpopulation at Kimboza probably being lost.
History:
1998 Vulnerable (Oldfield et al. 1998)
1998 Vulnerable
1997 Endangered (Walter and Gillett 1998)

Geographic Range [top]

Range Description: Recorded from a number of the Tanzanian Eastern Arc Mountains - Usambaras, Udzwungas, Kimboza (now gone), and in the Luhega and Lulanda Forest Reserves.
Countries:
Native:
Tanzania, United Republic of
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: This is a very occasional species, which is never found in large numbers where it occurs.
Population Trend: Unknown

Habitat and Ecology [top]

Habitat and Ecology: This tree grows in lowland and montane forest.
Systems: Terrestrial

Threats [top]

Major Threat(s): This species has probably gone from Kimboza Forest Reserve due to forest loss for agriculture, fire, and invasion by Cedrela. There are similar threats for the East Usambaras, the invasive species here being Maesopsis.

Conservation Actions [top]

Conservation Actions: Recorded from several protected areas, e.g., Udzungwa Mountains National Park, West Kilombero and Amani Nature Reserves, Lulanda and Luhega Forest Reserves.

Citation: Eastern Arc Mountains & Coastal Forests CEPF Plant Assessment Project 2009. Polyceratocarpus scheffleri. The IUCN Red List of Threatened Species. Version 2014.2. <www.iucnredlist.org>. Downloaded on 20 September 2014.
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