Otholobium incanum

Taxonomy
Scientific Name
Otholobium incanum C.H.Stirt.
Higher Classification
Dicotyledons
Family
FABACEAE
National Status
Status and Criteria
Endangered B1ab(iii)
Assessment Date
2012/11/14
Assessor(s)
N.A. Helme, D. Raimondo & L. von Staden
Justification
A rare and localized species (EOO 565 km²), currently known from only three locations and declining due to ongoing habitat loss to crop cultivation.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Vredendal district, Groot Goerap River to Doringbaai.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Namaqualand Strandveld, Lambert's Bay Strandveld
Description
West Coast Sandveld, in calcareous soils below 120 m.
Threats
Threatened in the southern part of its range by ongoing habitat loss to crop cultivation. A subpopulation further north is potentially threatened by habitat loss to mining.
Population

This rare species remains known from only four collections from three locations. It is possibly overlooked, as it occurs in a relatively poorly surveyed area.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Otholobium incanum C.H.Stirt.VU D22012.1
Otholobium incanum C.H.Stirt.VU D2Raimondo et al. (2009)
Otholobium incanum C.H.Stirt.Vulnerable 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. 1989. A revision of Otholobium C.H.Stirton (Papilionoideae, Leguminosae). Unpublished Ph.D., University of Cape Town, Cape Town.


Stirton, C.H. 1991. Notes on the genus Otholobium (Psoraleeae, Fabaceae). 5. Four new species from Namaqualand, South Africa. South African Journal of Botany 57(2):123-127.


Citation
Helme, N.A., Raimondo, D. & von Staden, L. 2012. Otholobium incanum C.H.Stirt. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/03/25

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Distribution map


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