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Scientific Name | Euphorbia oxystegia Boiss. |
Higher Classification | Dicotyledons |
Family | EUPHORBIACEAE |
Common Names | Palm Spurge (e) |
National Status |
Status and Criteria | Rare |
Assessment Date | 2013/09/11 |
Assessor(s) | L. von Staden & N.A. Helme |
Justification | A rare, range restricted species (EOO 1116 km²), but not threatened. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | Namaqualand, Stinkfontein Mountains to Komaggas. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Rooiberg Quartz Vygieveld, Namaqualand Heuweltjieveld, Namaqualand Shale Shrubland, Namaqualand Klipkoppe Shrubland |
Description | Nama quartzite outcrops, and red sandy soils, in relatively higher rainfall areas. |
Threats |
Although very rare, this species does not appear to be threatened or declining. Its habitat is mainly used for stock farming, which includes private and communally owned properties, but grazing does not appear to negatively impact plants (N.A. Helme, pers. obs.). |
Population |
A range-restricted, and very rare species, occurring in scattered, small subpopulations (N.A. Helme, pers. obs.).
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Euphorbia oxystegia Boiss. | Rare | 2014.1 | Euphorbia oxystegia Boiss. | Data Deficient | 2013.1 | Euphorbia oxystegia Boiss. | Data Deficient | Raimondo et al. (2009) | Euphorbia oxystegia Boiss. | Vulnerable/Endangered | Hilton-Taylor (1996) | |
Bibliography |
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.
White, A., Dyer, R.A. and Sloane, B.L. 1941. The succulent Euphorbieae (Southern Africa) Volume I. Abbey Garden Press, Pasadena.
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Citation |
von Staden, L. & Helme, N.A. 2013. Euphorbia oxystegia Boiss. National Assessment: Red List of South African Plants version . Accessed on 2025/02/11 |