Oxalis marlothii

Taxonomy
Scientific Name
Oxalis marlothii Schltr. ex R.Knuth
Higher Classification
Dicotyledons
Family
OXALIDACEAE
National Status
Status and Criteria
Endangered B1ab(iii,v)
Assessment Date
2016/10/16
Assessor(s)
L.L. Dreyer, K.C. Oberlander, D. Raimondo & L. von Staden
Justification
A range-restricted species (EOO 588 km²), occurring at two to three locations and declining due to ongoing habitat loss and degradation.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
Sutherland.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Roggeveld Shale Renosterveld, Roggeveld Karoo
Description
High altitude shale and sandstone plateaus.
Threats
Threatened by ongoing habitat loss and degradation due to overgrazing and crop cultivation.
Population

Oxalis marlothii is a very rare and localized species, and known from only a few collections.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Oxalis marlothii Schltr. ex R.KnuthCritically Endangered (Possibly Extinct) Raimondo et al. (2009)
Oxalis marlothii Schltr. ex R.KnuthInsufficiently Known Hilton-Taylor (1996)
Oxalis marlothii Schltr. ex R.KnuthUncertain Hall et al. (1980)
Bibliography

Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.


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.


Salter, T.M. 1944. The genus Oxalis in South Africa: a taxonomic revision. Journal of South African Botany Supplement 1:1-355.


Snijman, D.A. 2013. Plants of the Greater Cape Floristic Region 2: The extra Cape flora. Strelitzia 30. South African National Biodiversity Institute, Pretoria.


Citation
Dreyer, L.L., Oberlander, K.C., Raimondo, D. & von Staden, L. 2016. Oxalis marlothii Schltr. ex R.Knuth. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/04/29

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Distribution map


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