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Scientific Name | Tylecodon nigricaulis G.Will. & Van Jaarsv. |
Higher Classification | Dicotyledons |
Family | CRASSULACEAE |
National Status |
Status and Criteria | Rare |
Assessment Date | 2020/01/15 |
Assessor(s) | E.J. van Jaarsveld & D. Raimondo |
Justification | A range-restricted Namaqualand endemic (EOO <50 km²), known from two sites. Not threatened due to the inaccessibility of its habitat. It 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 | Tylecodon nigricaulis is only known from a small area in Bitterfontein in the Northern Cape Province, South Africa. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Namaqualand Klipkoppe Shrubland |
Description | It occurs in shallow, soil-filled pockets on large granite inselbergs. |
Threats |
| There are no known threats to this species. |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Tylecodon nigricaulis G.Will. & Van Jaarsv. | Rare | Raimondo et al. (2009) | |
Bibliography |
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.
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. 2020. Tylecodon nigricaulis G.Will. & Van Jaarsv. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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