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Scientific Name | Anacampseros gariepensis (G.Will.) Snijman |
Higher Classification | Dicotyledons |
Family | ANACAMPSEROTACEAE |
Synonyms | Avonia gariepensis G.Will. |
National Status |
Status and Criteria | Endangered B1ab(iii,v)+2ab(iii,v) |
Assessment Date | 2015/07/07 |
Assessor(s) | L. von Staden |
Justification | A range-restricted habitat specialist (EOO 61 km²), known from three locations and declining due to ongoing habitat loss and degradation. |
Distribution |
Endemism | Not endemic to South Africa |
Provincial distribution | Northern Cape |
Range | Lower Gariep Valley inland of Alexander Bay. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Western Gariep Lowland Desert, Western Gariep Plains Desert |
Description | Schistose outcrops on low hills surrounded by sandy flats. |
Threats |
| Threatened by severe, ongoing habitat loss and degradation as a result of mining and overgrazing. One subpopulation, known through historical records, was collected at a site that is now an open-cast mine, and may already be locally extinct. The impact of mines extend well beyond mining sites as a result of disturbed sand blowing off mining sites and burying low hills and rocky outcrops such as this species' habitat in sand. This species' entire known range is also severely overstocked with livestock, and overgrazing is causing ongoing degradation, loss of shrub cover, species diversity, and disturbance and erosion as a result of trampling. |
Population |
This species is a localized habitat specialist, known from three subpopulations on the southern banks of the Orange River, one of which may already be locally extinct due to mining. Williamson (2006) states that this species also occurs on the northern banks of the Orange River in Namibia, but cites no collections, and there are no known herbarium specimens originating from Namibia in South African herbaria, and the size and extent of the Namibian population cannot be estimated.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Anacampseros gariepensis (G.Will.) Snijman | EN B1ab(iii,v)+2ab(iii,v) | 2015.1 | | Avonia gariepensis G.Will. | Least Concern | Raimondo et al. (2009) | |
Bibliography |
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.
Snijman, D.A. 2013. Plants of the Greater Cape Floristic Region 2: The extra Cape flora. Strelitzia 30. South African National Biodiversity Institute, Pretoria.
Williamson, G. 2006. A new Anacampseros L. and two new Avonia (Mey. ex Fenzl) G.D. Rowley species (Portulacaceae) from northern Namaqualand, South Africa. Aloe 43(1):12-17.
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Citation |
| von Staden, L. 2015. Anacampseros gariepensis (G.Will.) Snijman. National Assessment: Red List of South African Plants version . Accessed on 2025/05/09 |
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