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Scientific Name | Acmadenia nivenii Sond. |
Higher Classification | Dicotyledons |
Family | RUTACEAE |
National Status |
Status and Criteria | Vulnerable B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v) |
Assessment Date | 2012/08/06 |
Assessor(s) | J.H. Vlok, D. Raimondo & S.L. Hutchinson |
Justification | EOO and AOO <195 km², between six and eight known locations continue to decline due to incorrect fire management, alien plant invasion, harvesting activities and habitat loss to agriculture. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Langeberg Mountains between Tradouw Pass and Garcia's Pass. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | South Langeberg Sandstone Fynbos, North Langeberg Sandstone Fynbos |
Description | Lower northern slopes. |
Threats |
Incorrect fire management, the spread of invasive alien plants (mainly hakea and pine) and habitat loss to protea and honeybush tea farming are all ongoing threats (J. Vlok pers. comm. 2006). |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Acmadenia nivenii Sond. | VU B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v) | Raimondo et al. (2009) | Acmadenia nivenii Sond. | Rare | Hilton-Taylor (1996) | Acmadenia nivenii Sond. | Rare | 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.
Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.
Williams, I. 1982. Studies in the genera of the Diosmeae (Rutaceae): 13. A revision of the genus Acmadenia. Journal of South African Botany 48(2):169-240.
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Citation |
Vlok, J.H., Raimondo, D. & Hutchinson, S.L. 2012. Acmadenia nivenii Sond. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |