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Deinbollia insignis

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA SAPINDALES SAPINDACEAE

Scientific Name: Deinbollia insignis
Species Authority: Hook.f.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(iii) ver 3.1
Year Published: 2004
Date Assessed: 2004-04-30
Assessor/s: Cheek, M.
Reviewer/s: Hilton-Taylor, C. & Pollock, C.M. (Red List Programme Office)
Justification:
This large treelet, with leaves to 1 m long, is only known from six locations, all of which are threatened with, or have suffered forest clearance. It is suspected that, when better data are available, this species may prove to be Critically Endangered. It may well be extinct on Bioko due to extensive forest clearance there for Cacao plantations in the late 19th and 20th centuries. It may also be extinct in Nigeria due to extensive forest loss there in the late 20th century.

Geographic Range [top]

Range Description: Nigeria (Sapoba F.R., 4 coll.); Bioko (2 coll.); Cameroon, SW Province: Bambuko F.R. (2 coll.) and Mt Kupe (2 coll., two sites).
Countries:
Native:
Cameroon
Possibly extinct:
Equatorial Guinea (Bioko); Nigeria
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: Occurs in lowland forest; 400 m alt.
Systems: Terrestrial

Threats [top]

Major Threat(s): Extremely vulnerable due to clearance of lowland forest for agriculture. It may well be extinct on Bioko due to extensive forest clearance there for cacao plantations in the late 19th and 20th centuries. It may also be extinct in Nigeria due to extensive forest loss there in the late 20th century. Forest loss at Bambuko is documented in Cable and Cheek (1998). It is notable that the species was not found elsewhere around Mt Cameroon during the intensive surveys of the early 1990s. At Mt Kupe it is vulnerable due to its low altitude, placing it outside of the proposed new protected area.

Conservation Actions [top]

Conservation Actions: Surveys should be made to rediscover this species at its known sites. It seems possible that it may only survive at Mt Kupe (where the most recent collections are recorded). It is therefore advised that efforts to protect the tree might be centred here. Individuals need to be rediscovered, demographic data obtained and protection secured with the help of local communities.
Citation: Cheek, M. 2004. Deinbollia insignis. In: IUCN 2013. IUCN Red List of Threatened Species. Version 2013.2. <www.iucnredlist.org>. Downloaded on 23 April 2014.
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