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Scientific Name | Ceropegia decidua E.A.Bruce subsp. pretoriensis R.A.Dyer |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
National Status |
Status and Criteria | Vulnerable D1+2 |
Assessment Date | 2005/08/28 |
Assessor(s) | M.F. Pfab & J.E. Victor |
Justification | The small population (fewer than 1000 mature individuals) occupies a very specific habitat type and is restricted to an estimated AOO of between 3.5 and 11 km². The habitat is potentially threatened by urban expansion, erosion and alien plant invasion. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Gauteng |
Range | Magaliesberg. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Gold Reef Mountain Bushveld, Marikana Thornveld, Andesite Mountain Bushveld, Carletonville Dolomite Grassland |
Description | Associated with ridges and quartzitic rocky outcrops in pockets of soil among rocks in direct sunshine or shaded areas. |
Threats |
| Invasive Alien Species (direct effects), Harvesting [gathering], Habitat loss, Habitat degradation, Changes in native species dynamics |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Ceropegia decidua E.A.Bruce subsp. pretoriensis R.A.Dyer | VU D1+2 | Raimondo et al. (2009) | | Ceropegia decidua E.A.Bruce subsp. pretoriensis R.A.Dyer | CR B1ab(ii,iii,iv,v)+2ab(ii,iii,iv,v) | Pfab and Victor (2002) | | Ceropegia decidua E.A.Bruce subsp. pretoriensis R.A.Dyer | CR B1B2bcde | Victor (2002) | | Ceropegia decidua E.A.Bruce subsp. pretoriensis R.A.Dyer | Rare | Hilton-Taylor (1996) | |
Bibliography |
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
Nicholas, A. 1993. Ceropegia decidua subsp. pretoriensis; Transvaal; Asclepiadaceae. Flowering Plants of Africa 52(2):t. 2073.
Pfab, M.F. and Victor, J.E. 2002. Threatened plants of Gauteng, South Africa. South African Journal of Botany 68:370-375.
Raimondo, D., von Staden, L., Foden, W., Victor, J.E., Helme, N.A., Turner, R.C., Kamundi, D.A. and Manyama, P.A. 2009. Red List of South African Plants. Strelitzia 25. South African National Biodiversity Institute, Pretoria.
van Aardt, R., Witkowski, E.T.F. and Pfab, M.F. 2005. Conservation biology of Ceropegia decidua subsp. pretoriensis, a Critically Endangered plant endemic to the Magaliesberg, South Africa. Report to GDACE.
Victor, J.E. 2002. South Africa. In: J.S. Golding (ed), Southern African plant Red Data Lists. Southern African Botanical Diversity Network Report 14 (pp. 93-120), SABONET, Pretoria.
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Citation |
| Pfab, M.F. & Victor, J.E. 2005. Ceropegia decidua E.A.Bruce subsp. pretoriensis R.A.Dyer. National Assessment: Red List of South African Plants version . Accessed on 2025/05/18 |
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