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Scientific Name | Cyphostemma wilmsii (Gilg & M.Brandt) Desc. |
Higher Classification | Dicotyledons |
Family | VITACEAE |
Synonyms | Cissus wilmsii Gilg & M.Brandt |
National Status |
Status and Criteria | Vulnerable B1ab(iii)+2ab(iii) |
Assessment Date | 2022/06/21 |
Assessor(s) | H. Mtshali |
Justification | This succulent shrub has a restricted range in the Lydenburg area and has an extent of occurrence (EOO) of 2171 km² and an area of occupancy (AOO) of 20 km². It is known from six to 10 locations and is experiencing an ongoing decline in the quality of habitat due to wood extraction and livestock overgrazing. It is therefore listed as Vulnerable under criterion B. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Mpumalanga |
Range | This species has a restricted range in Mpumalanga Province, in the Lydenburg area. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Sekhukhune Mountain Bushveld, Poung Dolomite Mountain Bushveld |
Description | It is found on dolomite hill slopes on wooded grassland. |
Threats |
| It occurs in habitat that is being heavily degraded due to wood cutting for rural subsistence fuel use and livestock overgrazing. There has also been some past habitat loss due to rural housing development. It may lose habitat in the future due to the widening of road infrastructure. |
Population |
It is known from a few scattered individuals. Five subpopulations have been recorded, but a few more are likely to occur in unexplored, suitable habitat within its range. It is threatened by ongoing habitat degradation. The population trend is unknown but is inferred to be declining.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Cyphostemma wilmsii (Gilg & M.Brandt) Desc. | DDT | 2017.1 | |
Bibliography |
Burtt Davy, J. 1932. A manual of the flowering plants and ferns of the Transvaal with Swaziland, South Africa. Part II. Malvaceae-Umbelliferae. Longmans, Green & Co., London.
Germishuizen, G., Meyer, N.L., Steenkamp, Y. and Keith, M. (eds). 2006. A checklist of South African plants. Southern African Botanical Diversity Network Report 41 SABONET, Pretoria.
Gilg, E. and Brandt, M. 1912. Vitaceae africanae. Botanische Jahrbücher für Systematik 46:415-557.
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Citation |
| Mtshali, H. 2022. Cyphostemma wilmsii (Gilg & M.Brandt) Desc. National Assessment: Red List of South African Plants version . Accessed on 2024/12/06 |
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