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Scientific Name | Oedera viscosa (L'Hér.) Anderb. & K.Bremer |
Higher Classification | Dicotyledons |
Family | ASTERACEAE |
Synonyms | Relhania affinis Sond. ex Harv., Relhania genistifolia (L.) L'Hér. var. glutinosa (DC.) Harv., Relhania viscosa L'Hér. |
National Status |
Status and Criteria | Near Threatened B1ab(ii,iii,iv,v) |
Assessment Date | 2007/12/13 |
Assessor(s) | N.A. Helme & D. Raimondo |
Justification | EOO 13 800 km², known from 15 location. Threatened by a continuing decline of habitat due to agriculture (wheat and vineyards), urban expansion, alien plant invasion and quarrying. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Piketberg to Tulbagh and Tygerberg. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Swartland Shale Renosterveld, Swartland Granite Renosterveld, Swartland Silcrete Renosterveld, Atlantis Sand Fynbos, Hopefield Sand Fynbos |
Description | Clay and sandy flats. |
Threats |
| Threatened by ongoing habitat loss and degradation due to expanding wheat and vineyard cultivation and competition from alien invasive plants. A few subpopulations are also threatened by habitat loss to quarrying. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Oedera viscosa (L'Hér.) Anderb. & K.Bremer | NT B1ab(ii,iii,iv,v) | Raimondo et al. (2009) | |
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.
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. 2007. Oedera viscosa (L'Hér.) Anderb. & K.Bremer. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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