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Scientific Name | Orbea gerstneri (Letty) Bruyns subsp. elongata (R.A.Dyer) Bruyns |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
Synonyms | Caralluma gerstneri Letty subsp. elongata R.A.Dyer, Orbeopsis gerstneri (Letty) L.C.Leach (in part), Orbeopsis gerstneri (Letty) L.C.Leach subsp. elongata (R.A.Dyer) L.C.Leach |
National Status |
Status and Criteria | Rare |
Assessment Date | 2005/08/12 |
Assessor(s) | P.J.D. Winter & J.E. Victor |
Justification | Known from four sites and potentially threatened by illegal harvesting. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Limpopo |
Range | Ohrigstad, Penge and Blyde River Canyon. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Poung Dolomite Mountain Bushveld |
Description | Stony places wedged among stones and clumps of grass on hillsides, often on soils derived from dolomite, 900-1600 m. |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Orbea gerstneri (Letty) Bruyns subsp. elongata (R.A.Dyer) Bruyns | Rare | Raimondo et al. (2009) | Orbeopsis gerstneri (Letty) L.C.Leach subsp. elongata (R.A.Dyer) L.C.Leach | Rare | Hilton-Taylor (1996) | Orbeopsis gerstneri (Letty) L.C.Leach subsp. elongata (R.A.Dyer) L.C.Leach | Rare | Hall et al. (1980) | |
Bibliography |
Bruyns, P.V. 2002. Monograph of Orbea and Ballyanthus (Apocynaceae-Asclepiadoideae-Ceropegieae). Systematic Botany Monographs 63:1-196.
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 |
Winter, P.J.D. & Victor, J.E. 2005. Orbea gerstneri (Letty) Bruyns subsp. elongata (R.A.Dyer) Bruyns. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |