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Scientific Name | Schwantesia pillansii L.Bolus |
Higher Classification | Dicotyledons |
Family | AIZOACEAE |
National Status |
Status and Criteria | Rare |
Assessment Date | 2004/03/03 |
Assessor(s) | J.E. Victor |
Justification | A range-restricted species with an extent of occurrence (EOO) of 30 km². It is not threatened and is therefore listed under the IUCN 3.1 Criteria, globally, as Least Concern but is nationally categorised as Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | This species occurs in Bushmanland, between Pofadder and Kakamas. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Aggeneys Gravel Vygieveld, Bushmanland Inselberg Shrubland, Eastern Gariep Plains Desert |
Description | Plants grow in well-drained, sandy soil, mostly in crevices of quartzite, steep slopes 1000 m. |
Threats |
| Surrounding land use is sheep farming, but farmers are very interested in conserving the flora. This species therefore has no significant threats. |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Schwantesia pillansii L.Bolus | Rare | Raimondo et al. (2009) | | Schwantesia pillansii L.Bolus | Not Threatened | Hilton-Taylor (1996) | | Schwantesia pillansii L.Bolus | Indeterminate | Hall et al. (1980) | |
Bibliography |
Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
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.
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Citation |
| Victor, J.E. 2004. Schwantesia pillansii L.Bolus. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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