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Pseuderanthemum dispersum

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Taxonomy [top]

Kingdom Phylum Class Order Family
PLANTAE TRACHEOPHYTA MAGNOLIOPSIDA SCROPHULARIALES ACANTHACEAE

Scientific Name: Pseuderanthemum dispersum
Species Authority: Milne-Redh.

Assessment Information [top]

Red List Category & Criteria: Vulnerable B2ab(iii) ver 3.1
Year Published: 2014
Date Assessed: 2011-03-25
Assessor(s): Darbyshire, I.
Reviewer(s): Onana, J.-M.
Justification:
This robust herb or shrub appears rare throughout its range, and was recorded only once during the extensive inventory work in the SW Region, Cameroon, during the 1980s and 1990s, a collection by D.W.Thomas at Bangem in north Bakossi. It has never been recorded in central or southern Bakossi or Mt Kupe and has not recently been found on Mt Cameroon. The assessment of this taxon as Vulnerable in Cheek et al. (2004a: 141) is maintained here. The assessment is based on a small area of occupancy of 28 km2, occurrence at six locations and continuing decline in the extent and quality of its habitat due to agricultural expansion.
History:
2004 Vulnerable

Geographic Range [top]

Range Description: Recorded from Nigeria: Cross River State (three collections); Cameroon, SW : Bakossi (one collection), Mt Cameroon (one collection), Babenga nr. Limbe (one collection), S : Bipinde (one collection).
Countries:
Native:
Cameroon; Nigeria
Range Map: Click here to open the map viewer and explore range.

Population [top]

Population: There is no information on the population size, but it has not been recollected recently at some of its historical sites and is probably in decline in the Nigerian part of its range.
Population Trend: Decreasing

Habitat and Ecology [top]

Habitat and Ecology: A robust herb or shrub found in the undergrowth of mid- to low-elevation forest; 0-1,000 (-1,400) m alt.
Systems: Terrestrial

Threats [top]

Major Threat(s): A continued decline in habitat is inferred by clearance of extensive areas of lowland and mid-elevation forest throughout its range for plantation agriculture (e.g. palm oil and rubber) and timber.

Conservation Actions [top]

Conservation Actions: Attempts to rediscover this species on Mt Cameroon should be made. The collection from Bangem should be verified as the specimen was not available at Kew.

Citation: Darbyshire, I. 2014. Pseuderanthemum dispersum. The IUCN Red List of Threatened Species. Version 2014.3. <www.iucnredlist.org>. Downloaded on 23 November 2014.
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