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Scientific Name | Duvalia elegans (Masson) Haw. |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
Synonyms | Duvalia elegans (Masson) Haw. var. elegans, Duvalia elegans (Masson) Haw. var. elegans forma magnicorona A.C.White & B.Sloane, Duvalia elegans (Masson) Haw. var. seminuda N.E.Br., Duvalia jacquiniana (Schult.) Sweet, Stapelia elegans Masson, Stapelia jacquiniana Schult., Stapelia radiata Jacq. |
National Status |
Status and Criteria | Vulnerable B1ab(ii,iii,iv,v)+2ab(ii,iii,iv,v) |
Assessment Date | 2007/05/02 |
Assessor(s) | N.A. Helme & D. Raimondo |
Justification | EOO 1400 km², 10 known locations continue to decline due to severe, ongoing habitat loss to crop cultivation. It is also threatened by ostrich and horse farming in the Bonnievale and Robertson areas. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Robertson to Riversdale. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Western Little Karoo, Robertson Karoo, Breede Shale Renosterveld, Eastern Ruens Shale Renosterveld, Breede Alluvium Renosterveld, Matjiesfontein Shale Fynbos |
Description | Renosterveld on shale. |
Threats |
| Agriculture is a severe past and ongoing threat as the species is lost to wheat, vines, deciduous fruits, pasture and olive farming.
Livestock farming (such as ostrich and horse) in the Bonnievale and Robertson areas are also a threat. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Duvalia elegans (Masson) Haw. | VU B1ab(ii,iii,iv,v) | Raimondo et al. (2009) | |
Bibliography |
Bruyns, P.V. 2005. Stapeliads of southern Africa and Madagascar. (Vol. 1, pp. 1-330). Umdaus Press, Pretoria.
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.
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 |
| Helme, N.A. & Raimondo, D. 2007. Duvalia elegans (Masson) Haw. National Assessment: Red List of South African Plants version . Accessed on 2025/05/19 |
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