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Scientific Name | Drosanthemum giffenii (L.Bolus) Schwantes |
Higher Classification | Dicotyledons |
Family | AIZOACEAE |
Synonyms | Drosanthemum giffenii (L.Bolus) Schwantes var. intertextum (L.Bolus) Schwantes, Mesembryanthemum giffenii L.Bolus, Mesembryanthemum giffenii L.Bolus var. intertextum L.Bolus |
National Status |
Status and Criteria | Vulnerable B1ab(iii,v) |
Assessment Date | 2015/12/14 |
Assessor(s) | L. von Staden |
Justification | EOO 8341 km², known from fewer than 10 locations, but possibly under-sampled. This species is declining due to overgrazing. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Little Karoo between Montagu, Prince Albert and Riversdale. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Western Little Karoo, Prince Albert Succulent Karoo, Montagu Shale Renosterveld, Matjiesfontein Shale Renosterveld, Eastern Ruens Shale Renosterveld |
Description | Brackish places in loamy soils in Gannabosveld and dry renosterveld. |
Threats |
| Threatened by overgrazing across its range. This species is highly palatable and is only abundant in well-managed veld (Vlok and Schutte-Vlok 2010). |
Population |
This species is known from only a few records that are widely scattered across the Little Karoo, but may be overlooked due to similarity with other species of Drosanthemum. The genus Drosanthemum is in need of revision and species are difficult to separate. The type collection of this species is from renosterveld in the Riversdale area, but all other records are from the Little Karoo.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Drosanthemum giffenii (L.Bolus) Schwantes | VU B1ab(iii,v) | 2017.1 | | Drosanthemum giffenii (L.Bolus) Schwantes | Threatened | 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.
Manning, J.C. and Goldblatt, P. 2012. Plants of the Greater Cape Floristic Region 1: The Core Cape Flora. Strelitzia 29. South African National Biodiversity 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.
Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.
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Citation |
| von Staden, L. 2015. Drosanthemum giffenii (L.Bolus) Schwantes. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2020/07/03 |
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