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Scientific Name | Tylecodon torulosus Toelken |
Higher Classification | Dicotyledons |
Family | CRASSULACEAE |
National Status |
Status and Criteria | Vulnerable D2 |
Assessment Date | 2015/05/13 |
Assessor(s) | E.J. van Jaarsveld, D. Raimondo & L. von Staden |
Justification | Known from one location where it is potentially threatened by habitat degradation due to overgrazing. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | Richtersveld near Lekkersing. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Central Richtersveld Mountain Shrubland |
Description | Shaded, sheltered crevices in quartzite rocks. |
Threats |
Potentially threatened by habitat degradation and trampling due to overgrazing. |
Population |
A rare and localized species, known from a single subpopulation.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Tylecodon torulosus Toelken | VU D2 | Raimondo et al. (2009) | Tylecodon torulosus Toelken | Rare | Hilton-Taylor (1996) | |
Bibliography |
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.
Snijman, D.A. 2013. Plants of the Greater Cape Floristic Region 2: The extra Cape flora. Strelitzia 30. South African National Biodiversity Institute, Pretoria.
Tölken, H.R. 1978. New taxa and new combinations in Cotyledon and allied genera. Bothalia 12(3):377-393.
Tölken, H.R. 1985. Crassulaceae. In: O.A. Leistner (ed). Flora of southern Africa 14,1:1-244. Botanical Research Institute, Pretoria.
Van Jaarsveld, E.J. and Koutnik, D. 2004. Cotyledon and Tylecodon. Umdaus Press, Pretoria.
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Citation |
van Jaarsveld, E.J., Raimondo, D. & von Staden, L. 2015. Tylecodon torulosus Toelken. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |