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Peperomia kamerunana

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA PIPERALES PIPERACEAE

Scientific Name: Peperomia kamerunana
Species Authority: C.DC.

Assessment Information [top]

Red List Category & Criteria: Endangered 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:
In 1998 this species was assessed as LR/nt (Cable and Cheek 1998, Hilton-taylor 2000). At that time it was only known from Bioko and Mt Cameroon, and it was assumed, from the fact that it was known from two locations on the mountain, that it was widespread there, but overlooked. There were, and are, no known threats at the altitudinal range at which it occurs; there or on Bioko. The range of the species has now been extended to Mt Kupe, where it is also secure, and to Manenguba where it is threatened (see threats below).

Geographic Range [top]

Range Description: Recorded from Equatorial Guinea: Bioko (two collections); Cameroon: Mt. Cameroon (five pre-1988 collections), Mt Kupe (two collections) and Manenguba (one collection). Owing to imprecise data on the seven specimens known from Bioko and Mt Cameroon, it is known with certainty from only three sites at these places. If the new specimens are added, the species is known from a total of ten collections at five sites. While the species is locally plentiful, it must be extremely local, given that it has not been collected again on Mt Cameroon in over 50 years, despite intensive surveys there in the 1990s, including a large and expert botanical survey team based for a week in 1992 at or very near the site where it was collected previously. Although two specimens were recently discovered (1992) at Mt Kupe, this is in comparison to 24 specimens of P. fernandopoiana from the same area. It may simply have been overlooked in view of its inconspicuous green flowers.
Countries:
Native:
Cameroon; Equatorial Guinea (Bioko)
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: An epiphytic species found in submontane and montane forest at an altitude of 1,400–2,300 m.
Systems: Terrestrial

Threats [top]

Major Threat(s): Threatened by forest reduction at Manenguba for firewood and due to man-made fires set by pastoralists.

Conservation Actions [top]

Conservation Actions: Although threatened at Manenguba, it appears secure at the other known sites. This species should be looked for during any further surveys in the montane forest on the mountain. Care should be taken to discriminate it from the seven other species of the genus on the mountain, e.g., the larger and more common P. vulcanica. Peperomia kamerunana can be recognized by its broadly obovate leaves only 1–1.5 cm long. Quantitative data on each of the subpopulations would be valuable for developing a management plan for the taxon.

Citation: Cheek, M. 2004. Peperomia kamerunana. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 20 December 2014.
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