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Scientific Name | Duvalia parviflora N.E.Br. |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
National Status |
Status and Criteria | Vulnerable B1ab(iii,v)+2ab(iii,v) |
Assessment Date | 2007/05/02 |
Assessor(s) | N.A. Helme & D. Raimondo |
Justification | EOO 1400 km², suspected to occur at 10 locations, ongoing decline in habitat is currently taking place as a result of ostrich farming and to a lesser extent habitat is being lost for vineyard cultivation. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Van Wyksdorp to Ladismith and Oudtshoorn. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Western Little Karoo, Western Gwarrieveld |
Description | Flat, stony to loamy ground, under small karroid bushes. |
Threats |
| Threatened by ongoing habitat loss and degradation due to ostrich farming and potentially threatened by habitat loss to vineyard expansion in the Huisrivier Pass area. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Duvalia parviflora N.E.Br. | VU B1ab(iii,v) | Raimondo et al. (2009) | | Duvalia parviflora N.E.Br. | Rare | Hilton-Taylor (1996) | | Duvalia parviflora N.E.Br. | Indeterminate | Hall et al. (1980) | |
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.
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.
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Citation |
| Helme, N.A. & Raimondo, D. 2007. Duvalia parviflora N.E.Br. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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