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Scientific Name | Euphorbia excelsa A.C.White, R.A.Dyer & B.Sloane |
Higher Classification | Dicotyledons |
Family | EUPHORBIACEAE |
Common Names | Olifants River Euphorbia (e), Olifantsrivier-naboom (a) |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2017/09/27 |
Assessor(s) | L. von Staden |
Justification | Euphorbia excelsa is a range-restricted species with an extent of occurrence (EOO) of 1 194 km². It is locally common and not in danger of extinction, and is therefore listed as Least Concern. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Limpopo |
Range | This species is endemic to Sekhukhuneland in South Africa, where it is found in the Olifants River Valley around Penge. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Sekhukhune Mountain Bushveld, Ohrigstad Mountain Bushveld |
Description | It occurs on rock outcrops in dry valleys, sometimes in open rocky woodland on slopes. |
Threats |
| A very small proportion of this species' habitat has been lost and degraded due to mining. Mining expansion remains a potential threat. There has been significant expansion of rural settlements in the lowlands of Sekhukhuneland over the past 30 years, and some development may have impacted this species. |
Population |
Euphorbia excelsa is a localized, but locally common species (Schmidt et al. 2002).
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Euphorbia excelsa A.C.White, R.A.Dyer & B.Sloane | Least Concern | Raimondo et al. (2009) | |
Bibliography |
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.
Schmidt, E., Lotter, M. and McCleland, W. 2002. Trees and shrubs of Mpumalanga and Kruger National Park. Jacana, Johannesburg.
White, A., Dyer, R.A. and Sloane, B.L. 1941. The succulent Euphorbieae (Southern Africa) Volume II. Abbey Garden Press, Pasadena.
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Citation |
| von Staden, L. 2017. Euphorbia excelsa A.C.White, R.A.Dyer & B.Sloane. National Assessment: Red List of South African Plants version . Accessed on 2025/05/19 |
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