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Scientific Name | Eriospermum viscosum P.L.Perry |
Higher Classification | Monocotyledons |
Family | RUSCACEAE |
National Status |
Status and Criteria | Endangered B1ab(iii,v)+2ab(iii,v) |
Assessment Date | 2020/11/24 |
Assessor(s) | N.A. Helme, D. Raimondo & P.C.V. Van Wyk |
Justification | Eriospermum viscosum is a rare and localized species, known from two locations. It has an extent of occurrence (EOO) of 1360 km², and is declining due to ongoing habitat degradation. It is therefore listed as Endangered under criterion B. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | This species is endemic to South Africa, and is found in Steinkopf. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Namaqualand Shale Shrubland |
Description | It occurs in arid shale in karroid shrubland. |
Threats |
There is ongoing degradation of this species' habitat as a result of overgrazing and trampling by livestock. Mining also poses an additional threat. |
Population |
Eriospermum viscosum is a rare species, known from only a few collections. It occurs in small, scattered subpopulations.
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Population trend | Decreasing |
Conservation |
It is not currently conserved in any formally protected area. |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Eriospermum viscosum P.L.Perry | EN B1ab(iii,v)+2ab(iii,v) | 2015.1 | Eriospermum viscosum P.L.Perry | VU D2 | Raimondo et al. (2009) | Eriospermum viscosum P.L.Perry | Rare | Hilton-Taylor (1996) | |
Bibliography |
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
Perry, P.L. 1994. A revision of the genus Eriospermum (Eriospermaceae) Contributions from the Bolus Herbarium 17:1-320.
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. & Van Wyk, P.C.V. 2020. Eriospermum viscosum P.L.Perry. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |