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Scientific Name | Tridentea dwequensis (C.A.Lückh.) L.C.Leach |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
Synonyms | Stapelia dwequensis C.A.Lückh. |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2018/05/16 |
Assessor(s) | L. von Staden |
Justification | Tridentea dwequensis is a widespread, but rarely recorded species, with an extent of occurrence (EOO) of 8328 km². It is not suspected to be in danger of extinction, and is therefore listed as Least Concern. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | This species is endemic to South Africa, and is widespread across the central Karoo and Bushmanland. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Western Upper Karoo, Bushmanland Basin Shrubland, Bushmanland Vloere, Bushmanland Arid Grassland |
Description | It occurs on flat or gentle slopes on shales or occasionally on calcretes. |
Threats |
| There are no threats to this species. |
Population |
There is no information available on the population of this species.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Tridentea dwequensis (C.A.Lückh.) L.C.Leach | Least Concern | Raimondo et al. (2009) | | Tridentea dwequensis (C.A.Lückh.) L.C.Leach | Not Threatened | Hilton-Taylor (1996) | | Stapelia dwequensis C.A.Lückh. | Endangered | Hall et al. (1980) | |
Bibliography |
Bruyns, P.V. 1995. A re-assessment of the genera Tridentea Haw. and Tromotriche Haw. South African Journal of Botany 61(4):180-208.
Bruyns, P.V. 2005. Stapeliads of southern Africa and Madagascar. (Vol. 2, pp. 331-606). Umdaus Press, Pretoria.
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.
Leach, L.C. 1980. A review of Tridentea Haw. (Asclepiadaceae). Excelsa Taxonomic Series 2:1-68.
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 |
| von Staden, L. 2018. Tridentea dwequensis (C.A.Lückh.) L.C.Leach. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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