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Scientific Name | Convolvulus dregeanus Choisy |
Higher Classification | Dicotyledons |
Family | CONVOLVULACEAE |
Synonyms | Convolvulus liniformis Rendle |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2020/02/18 |
Assessor(s) | L. von Staden |
Justification | Convolvulus dregeanus is widespread, with an extent of occurrence (EOO) of 239 649 km². It is not in danger of extinction, and is therefore listed as Least Concern. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Eastern Cape, Free State, Gauteng, Mpumalanga, Northern Cape, North West, Western Cape |
Range | This species is endemic and widespread across central South Africa, from southern Gauteng to Beaufort West in the Western Cape. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Western Free State Clay Grassland, Karoo Escarpment Grassland, Vaal-Vet Sandy Grassland, Vaal Reefs Dolomite Sinkhole Woodland, Klerksdorp Thornveld, Western Highveld Sandy Grassland, Aliwal North Dry Grassland, Xhariep Karroid Grassland, Besemkaree Koppies Shrubland, Bloemfontein Dry Grassland, Central Free State Grassland, Stormberg Plateau Grassland, Bloemfontein Karroid Shrubland, Eastern Upper Karoo, Eastern Free State Clay Grassland, Eastern Free State Sandy Grassland, Basotho Montane Shrubland, Frankfort Highveld Grassland, Soweto Highveld Grassland, Tsomo Grassland, Queenstown Thornveld, Tarkastad Montane Shrubland, Upper Karoo Hardeveld, Northern Upper Karoo, Winburg Grassy Shrubland |
Description | It occurs in sandy clay or brackish soils in short grassland and in disturbed areas. |
Threats |
Threats to Convolvulus dregeanus include habitat degradation and invasive alien species. |
Population |
There is no information available on the population of this species.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Convolvulus dregeanus Choisy | Least Concern | Raimondo et al. (2009) | |
Bibliography |
Meeuse, A.D.J. and Welman, W.G. 2000. Convolvulaceae. In: G. Germishuizen (ed). Flora of southern Africa 28 Part 1:1-138. 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 |
von Staden, L. 2020. Convolvulus dregeanus Choisy. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |