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Scientific Name | Tromotriche thudichumii (Pillans) L.C.Leach |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
Synonyms | Stapelia thudichumii Pillans |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2020/03/03 |
Assessor(s) | L. von Staden & D. Raimondo |
Justification | Tromotriche thudichumii has a restricted distribution range, with an extent of occurrence (EOO) of 6986 km². It has no severe threats and is therefore not in danger of extinction. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape, Western Cape |
Range | This species is endemic to South Africa, and occurs from the Hantam region around Calvinia southwards to the Tanqua Karoo. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Tanqua Karoo, Tanqua Wash Riviere, Tanqua Escarpment Shrubland, Roggeveld Karoo, Hantam Karoo |
Description | It is most often found hidden within spiny shrubs on flat, gravelly areas. It is also occasionally found in dolerite outcrops. |
Threats |
| Tromotriche thudichumii has no severe threats. |
Population |
It is a rare species that is easily overlooked. The population is not suspected to be declining.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Tromotriche thudichumii (Pillans) L.C.Leach | Least Concern | Raimondo et al. (2009) | | Tromotriche thudichumii (Pillans) L.C.Leach | Rare | Hilton-Taylor (1996) | | Stapelia thudichumii Pillans | Rare | Hall et al. (1980) | |
Bibliography |
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. 1984. A revision of Tromotriche Haw. (Asclepiadaceae). Journal of South African Botany 50(4):549-562.
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. & Raimondo, D. 2020. Tromotriche thudichumii (Pillans) L.C.Leach. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13 |
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