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Scientific Name | Hoodia dregei N.E.Br. |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
Common Names | Wolweghaap (a) |
National Status |
Status and Criteria | Vulnerable D2 |
Assessment Date | 2019/11/04 |
Assessor(s) | D. Raimondo, J.E. Victor & S.P. Bester |
Justification | Hoodia dregei is a rare species known from five locations. It is potentially threatened by collection as it could be mistaken for Hoodia gordonii. It is listed as Vulnerable under the criteria D2. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is endemic to South Africa, and is found in Merweville, Beaufort West and Prince Albert. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Gamka Karoo |
Description | It occurs on stony slopes of hills or on stony flat areas. |
Threats |
| Hoodia dregei is threatened by low transformation in the areas in which it occurs. It is not thought to be collected. |
Population |
A poorly known species with no collections made since 1976. There is no information available on the population size, structure and trends.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Hoodia dregei N.E.Br. | VU D2 | Raimondo et al. (2009) | | Hoodia dregei N.E.Br. | Rare | Hilton-Taylor (1996) | | Hoodia dregei N.E.Br. | Indeterminate | Hall et al. (1980) | |
Bibliography |
Bruyns, P.V. 1993. A revision of Hoodia and Lavrania (Asclepiadaceae-stapelieae). Botanische Jahrbücher für Systematik 115(2):145-270.
Bruyns, P.V. 2005. Stapeliads of southern Africa and Madagascar. (Vol. 1, pp. 1-330). Umdaus Press, Pretoria.
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 |
| Raimondo, D., Victor, J.E. & Bester, S.P. 2019. Hoodia dregei N.E.Br. National Assessment: Red List of South African Plants version . Accessed on 2025/05/31 |
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