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Scientific Name | Amphibolia succulenta (L.Bolus) H.E.K.Hartmann |
Higher Classification | Dicotyledons |
Family | AIZOACEAE |
Synonyms | Mesembryanthemum succulentum (L.Bolus) N.E.Br., Ruschia succulenta L.Bolus |
National Status |
Status and Criteria | Near Threatened B1ab(iii,v)+2ab(iii,v) |
Assessment Date | 2020/01/30 |
Assessor(s) | L. von Staden |
Justification | Amphibolia succulenta has a limited distribution range, with an extent of occurrence (EOO) of 7339 km². It is a common species, occurring at more than 10 locations, but continues to decline across its range due to ongoing habitat loss and degradation. It nearly meets the criteria threshold for Vulnerable under criterion B, and is therefore listed as Near Threatened. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | This species is endemic to the northern Namaqualand coast of South Africa, where it occurs from Alexander Bay to Hondeklipbaai. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Namaqualand Coastal Duneveld, Namaqualand Strandveld, Richtersveld Coastal Duneveld, Namaqualand Seashore Vegetation, Richtersveld Sandy Coastal Scorpionstailveld, Southern Richtersveld Yellow Duneveld, Namaqualand Inland Duneveld, Northern Richtersveld Yellow Duneveld, Alexander Bay Coastal Duneveld, Namib Seashore Vegetation, Lower Gariep Alluvial Vegetation |
Description | It occurs on loamy places among rocks and gravel in the coastal fog zone. |
Threats |
| Large parts of this species' habitat is undergoing ongoing loss and degradation due to open-cast mineral mining of coastal dunes. In the Richtersveld it is also threatened by habitat loss and degradation due to severe overgrazing. Overgrazing has caused a significant reduction in shrub cover as well as species diversity, and recently, in combination with long-term severe drought, mass die offs have been observed in populations of common species formerly thought to be resilient to drought (P.C.V. van Wyk pers. comm.). |
Population |
Amphibolia succulenta is a fairly common species, but continuing population decline is inferred from ongoing habitat loss and degradation across its range.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Amphibolia succulenta (L.Bolus) H.E.K.Hartmann | NT B1ab(iii,v)+2ab(iii,v) | 2020.1 | | Amphibolia succulenta (L.Bolus) H.E.K.Hartmann | Least Concern | Raimondo et al. (2009) | |
Bibliography |
Hartmann, H. 1998. New combinations in Ruschioideae, based on studies in Ruschia (Aizoaceae). Bradleya 16:44–91.
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.
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Citation |
| von Staden, L. 2020. Amphibolia succulenta (L.Bolus) H.E.K.Hartmann. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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