Taxonomy
Scientific Name
Otholobium swartbergense C.H.Stirt.
Higher Classification
Dicotyledons
Family
FABACEAE
National Status
Status and Criteria
Near Threatened D2
Assessment Date
2018/10/04
Assessor(s)
L. von Staden
Justification
A range-restricted species (EOO 418 km²), occurring at six locations and potentially threatened by competition from alien invasive plants in at least three of these.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Groot Swartberg Mountains.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Swartberg Altimontane Sandstone Fynbos, South Swartberg Sandstone Fynbos, North Swartberg Sandstone Fynbos
Description
Streamsides and seeps on sandstone slopes.
Threats
Field observations noted alien invasive plants present in this species' habitat on the lower slopes of the Swartberg. These could potentially outcompete native species if they are not cleared. Too frequent fires have also been observed across most of this species' range.
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Otholobium swartbergense C.H.Stirt.Rare Raimondo et al. (2009)
Otholobium swartbergense C.H.Stirt.Rare Hilton-Taylor (1996)
Bibliography

Goldblatt, P. and Manning, J.C. 2000. Cape Plants: A conspectus of the Cape Flora of South Africa. Strelitzia 9. National Botanical Institute, Cape Town.


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.


Stirton, C. 1986. Notes on the genus Otholobium (Psoraleeae, Fabaceae). South African Journal of Botany 52(1):1-6.


Stirton, C. 1989. A revision of Otholobium C.H.Stirton (Papilionoideae, Leguminosae). Unpublished Ph.D., University of Cape Town, Cape Town.


Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.


Citation
von Staden, L. 2018. Otholobium swartbergense C.H.Stirt. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2020/10/20

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Distribution map

© D. Turner

© D. Turner

© J.H. Vlok/A.L. Schutte-Vlok

© C. Stirton

© Outramps

© Outramps


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