Taxonomy
Scientific Name
Xysmalobium winterbergense N.E.Br.
Higher Classification
Dicotyledons
Family
APOCYNACEAE
National Status
Status and Criteria
Critically Endangered (Possibly Extinct)
Assessment Date
2007/03/09
Assessor(s)
A. Nicholas, A.P. Dold & J.E. Victor
Justification
Know only from the type collection, A. Nicholas (Asclepiad expert) has searched for this species and not found it. As members of this genus are very sensitive to livestock grazing it is possible that this species has gone extinct due to heavy grazing. Further surveys are required to confirm this.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape
Range
Winterberg Mountains.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Amathole Montane Grassland
Description
Grassland.
Threats
Only known from one location, threats unknown, but it is possibly threatened or extinct as a result of overgrazing.
Population
Population trend
Unknown
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Xysmalobium winterbergense N.E.Br.Critically Endangered (Possibly Extinct) Raimondo et al. (2009)
Xysmalobium winterbergense N.E.Br.Insufficiently Known Hilton-Taylor (1996)
Bibliography

Brown, N.E. 1909. Asclepiadeae. In: W.T. Thiselton-Dyer (ed). Flora Capensis IV Section I (Vacciniaceae to Gentianeae):518-1036. Lovell Reeve & Co., Ltd., London.


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.


Victor, J.E. and Dold, A.P. 2003. Threatened plants of the Albany Centre of Floristic Endemism, South Africa. South African Journal of Science 99:437-446.


Citation
Nicholas, A., Dold, A.P. & Victor, J.E. 2007. Xysmalobium winterbergense N.E.Br. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2022/05/17

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Distribution map


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