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Scientific Name | Acmadenia gracilis Dummer |
Higher Classification | Dicotyledons |
Family | RUTACEAE |
National Status |
Status and Criteria | Vulnerable B1ab(ii,iii,v)+2ab(ii,iii,v) |
Assessment Date | 2012/07/11 |
Assessor(s) | J.E. Victor, J.H. Vlok, D. Raimondo & S.L. Hutchinson |
Justification | EOO 885 km², seven known locations are declining due to invasive alien plants and too frequent fires. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Langeberg, Outeniqua and Kammanassie mountains. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | North Outeniqua Sandstone Fynbos, South Langeberg Sandstone Fynbos, Central Coastal Shale Band Vegetation |
Description | Mountain summit and north-facing slopes close to wet areas. |
Threats |
| Three subpopulations experience ongoing threat from invasive alien plants and one subpopulation is threatened by too frequent fires. Habitat loss to pine plantations was a threat in the past. |
Population |
Three out of the eight known subpopulations have data indicating sizes of <50, <210 and 10 000 individuals.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Acmadenia gracilis Dummer | VU D2 | Raimondo et al. (2009) | | Acmadenia gracilis Dummer | VU D2 | Victor (2002) | | Acmadenia gracilis Dummer | Vulnerable | Hilton-Taylor (1996) | |
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.
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.
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 |
| Victor, J.E., Vlok, J.H., Raimondo, D. & Hutchinson, S.L. 2012. Acmadenia gracilis Dummer. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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