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Scientific Name | Polhillia obsoleta (Harv.) B.-E.van Wyk |
Higher Classification | Dicotyledons |
Family | FABACEAE |
Synonyms | Lebeckia waltersii C.H.Stirt., Polhillia waltersii (C.H.Stirt.) C.H.Stirt. |
National Status |
Status and Criteria | Endangered B1ab(iii,v)+2ab(iii,v); C2a(i) |
Assessment Date | 2016/08/27 |
Assessor(s) | N.A. Helme, D. Raimondo & L. von Staden |
Justification | EOO 7 km², two small remaining subpopulations, both consisting of less than 250 mature individuals continue to decline due to ongoing habitat loss and degradation. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Worcester. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Robertson Karoo, Breede Alluvium Renosterveld, Breede Alluvium Fynbos |
Description | Renosterveld, 300-430 m. |
Threats |
| This species is threatened by severe, ongoing habitat loss to urban expansion and other land development along the N1 near Worcester. Much of its habitat is also densely infested with alien invasive plants. |
Population |
There are two remaining subpopulations on the western outskirts of Worcester. The largest subpopulation consists of about 250 plants, the second subpopulation is smaller, with about 50 plants.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Polhillia obsoleta (Harv.) B.-E.van Wyk | EN B1ab(ii,iii,v)+2ab(ii,iii,v) | Raimondo et al. (2009) | | Polhillia obsoleta (Harv.) B.-E.van Wyk | 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.
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Citation |
| Helme, N.A., Raimondo, D. & von Staden, L. 2016. Polhillia obsoleta (Harv.) B.-E.van Wyk. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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