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Ceropegia insignis

Taxonomy
Scientific Name
Ceropegia insignis R.A.Dyer
Higher Classification
Dicotyledons
Family
APOCYNACEAE
National Status
Status and Criteria
Endangered B1ab(iii)+2ab(iii)
Assessment Date
2016/08/24
Assessor(s)
N. Hahn & L. von Staden
Justification
A range-restricted species (EOO 164 km²), occurring at two to three locations and declining due to ongoing habitat loss and degradation.
Distribution
Endemism
South African endemic
Provincial distribution
Limpopo, North West
Range
Northern North West province and adjacent areas in Limpopo between Ramotswa and Dwaalboom. It possibly also occurs in adjacent areas in Botswana.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Dwarsberg-Swartruggens Mountain Bushveld, Dwaalboom Thornveld
Description
Stony slopes and sandy soils in grassland and open savanna.
Threats
Field observations at the type locality indicate that the habitat is severely degraded due to overgrazing, erosion and bush encroachment (Hahn 2013). In Limpopo Province it is threatened by ongoing habitat loss to crop cultivation.
Population

This species is known from only a few collections, and was last recorded in 1995. There are two disjunct subpopulations, and it is possible that others may exist in the area in between, which is remote and botanically poorly explored. Surveys of the type locality failed to relocate the subpopulation (Hahn 2013). The habitat is very degraded and it may be locally extinct in this area.


Population trend
Decreasing
Citation
Hahn, N. & von Staden, L. 2016. Ceropegia insignis R.A.Dyer. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/12/11

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