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Scientific Name | Sonderothamnus petraeus (W.F.Barker) R.Dahlgren |
Higher Classification | Dicotyledons |
Family | PENAEACEAE |
Synonyms | Brachysiphon petraeus W.F.Barker |
National Status |
Status and Criteria | Rare |
Assessment Date | 2023/09/11 |
Assessor(s) | F. Munro & D. Raimondo |
Justification | A range-restricted species (extent of occurrence: 397 km²) that is not threatened. It is therefore listed under the IUCN 3.1. criteria as Least Concern but is nationally recognised as Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is found from the Hottentots Holland Mountains to Kleinmond, in the Western Cape Province of South Africa. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Kogelberg Sandstone Fynbos, Hangklip Sand Fynbos |
Description | It occurs in narrow crevices in sandstone rock and cliffs. |
Threats |
| There are no known threats to this species. |
Population |
Population trend | Stable |
Conservation |
| It is conserved in Kogelberg Biosphere Reserve, Fernkloof Nature Reserve in Hermanus and Kleinmond Nature Reserve. |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Sonderothamnus petraeus (W.F.Barker) R.Dahlgren | Rare | Raimondo et al. (2009) | | Sonderothamnus petraeus (W.F.Barker) R.Dahlgren | Rare | Hilton-Taylor (1996) | |
Bibliography |
Dahlgren, R. 1968. Studies on Penaeaceae II. The genera Brachysiphon, Sonderothamnus and Saltera. Opera Botanica 18:1-41.
Goldblatt, P. and Manning, J.C. 2000. Cape Plants: A conspectus of the Cape Flora of South Africa. Strelitzia 9. National Botanical Institute, Cape Town.
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
Manning, J.C. and Goldblatt, P. 2012. Plants of the Greater Cape Floristic Region 1: The Core Cape Flora. Strelitzia 29. South African National Biodiversity 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.
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Citation |
| Munro, F. & Raimondo, D. 2023. Sonderothamnus petraeus (W.F.Barker) R.Dahlgren. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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