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Scientific Name | Rhigiophyllum squarrosum Hochst. |
Higher Classification | Dicotyledons |
Family | CAMPANULACEAE |
National Status |
Status and Criteria | Vulnerable B1ab(i,ii,iii,iv,v) |
Assessment Date | 2006/11/20 |
Assessor(s) | N.A. Helme & D. Raimondo |
Justification | EOO 516 km², known from seven to 10 locations. Declining as a result of invasive alien plants and viticulture. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Akkedisberg and Bredasdorp Mountains. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Overberg Sandstone Fynbos |
Description | Damp sandstone slopes, 200-350 m. |
Threats |
| Aliens are severe ongoing threats (Acacia, Hakea, gums and pines).
Agriculture is an ongoing threat i.e. vineyards. Some habitat has already been lost to vineyards. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Rhigiophyllum squarrosum Hochst. | VU B1ab(i,ii,iii,iv,v) | Raimondo et al. (2009) | | Rhigiophyllum squarrosum Hochst. | Lower Risk - Least Concern | Victor (2002) | | Rhigiophyllum squarrosum Hochst. | Insufficiently Known | Hilton-Taylor (1996) | | Rhigiophyllum squarrosum Hochst. | Uncertain | Hall et al. (1980) | |
Bibliography |
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.
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.
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.
Victor, J.E. 2002. South Africa. In: J.S. Golding (ed), Southern African plant Red Data Lists. Southern African Botanical Diversity Network Report 14 (pp. 93-120), SABONET, Pretoria.
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Citation |
| Helme, N.A. & Raimondo, D. 2006. Rhigiophyllum squarrosum Hochst. National Assessment: Red List of South African Plants version . Accessed on 2025/05/09 |
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