Taxonomy
Scientific Name
Oxalis flava L. var. unifoliolata Dreyer & Oberl.
Higher Classification
Dicotyledons
Family
OXALIDACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2012/12/11
Assessor(s)
L. von Staden
Justification
A localized taxon (EOO 11 km²), known from three locations and potentially threatened by habitat loss to crop cultivation.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
Loeriesfontein to Nieuwoudtville.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Hantam Karoo
Description
Clay substrates on plains.
Threats
Clay flats within this species' range are extensively cultivated, particularly along rivers, but none of the three known locations are currently directly threatened by expanding cultivation. Habitat loss to crop cultivation is however a potential threat.
Population

This taxon is currently known from only three subpopulations (Dreyer et al. 2010).


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Oxalis flava L. var. flava Least Concern 2012.1
Oxalis flava L.Least Concern Raimondo et al. (2009)
Bibliography

Dreyer, L.L., Oberlander, K.C. and Roets, F. 2010. Reassessment of the taxonomic status of Oxalis fabaefolia (Oxalidaceae) and the description of a unique variety of Oxalis flava from the Northern Cape Province of South Africa. Blumea 55(3):253-258.


Citation
von Staden, L. 2012. Oxalis flava L. var. unifoliolata Dreyer & Oberl. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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Distribution map


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