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Scientific Name | Othonna cremnophila B.Nord. & Van Jaarsv. |
Higher Classification | Dicotyledons |
Family | ASTERACEAE |
National Status |
Status and Criteria | Vulnerable D2 |
Assessment Date | 2015/05/21 |
Assessor(s) | L. von Staden |
Justification | A localized habitat specialist (EOO 40 km²), occurring at two to three locations and potentially threatened by overgrazing and collection for the succulent trade. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | Central Richtersveld. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Rosyntjieberg Succulent Shrubland |
Description | South-facing quartzite cliffs, 700-1000 m. |
Threats |
| Severe overstocking of livestock in the Richtersveld is causing ongoing degradation, loss of vegetation cover, and species diversity due to overgrazing and trampling. Most of this species' habitat is inaccessible to livestock, but where plants are accessible, they become stunted by heavy grazing (Van Jaarsveld and Nordenstam 2005). It is popular in horticulture, but slow growing, and therefore potentially threatened by collectors removing plants from the wild for the succulent trade. |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Othonna cremnophila B.Nord. & Van Jaarsv. | VU D2 | 2015.1 | | Othonna cremnophila B.Nord. & Van Jaarsv. | Least Concern | 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.
Snijman, D.A. 2013. Plants of the Greater Cape Floristic Region 2: The extra Cape flora. Strelitzia 30. South African National Biodiversity Institute, Pretoria.
Van Jaarsveld, E. and Nordenstam, B. 2005. Othonna cremnophila, a new species of the Asteraceae-Senecioneae from the Richtersveld, Northern Cape Province, South Africa. Aloe 42(1&2):4-7.
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Citation |
| von Staden, L. 2015. Othonna cremnophila B.Nord. & Van Jaarsv. National Assessment: Red List of South African Plants version . Accessed on 2025/01/17 |
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