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Scientific Name | Hypodiscus alternans Pillans |
Higher Classification | Monocotyledons |
Family | RESTIONACEAE |
National Status |
Status and Criteria | Vulnerable D2 |
Assessment Date | 2007/04/11 |
Assessor(s) | H.P. Linder, R.C. Turner & D. Raimondo |
Justification | EOO 150 km², a Kogelberg endemic known from less than five locations and potentially threatened by too frequent fire. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Kleinmond to Elgin. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Kogelberg Sandstone Fynbos |
Description | Stony slopes in marshy as well as rocky areas. |
Threats |
| Invasive alien plants particularly Acacia mearnsii and Acacia saligna in the Arieskraal / Somersfontein area. There has also been past loss of habitat to pine plantations and to crop cultivation (orcahrds and vineyards) in this same area.
Frequent fire is a potential threat as this species is killed by fire only regenerating from seed. |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Hypodiscus alternans Pillans | VU D2 | Raimondo et al. (2009) | | Hypodiscus alternans Pillans | Rare | Hilton-Taylor (1996) | | Hypodiscus alternans Pillans | Indeterminate | Hall et al. (1980) | |
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.
Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
Linder, H.P. 2011. The African Restionaceae: an Interactive Key identification and description system. Version 6. http://www.systbot.uzh.ch/Bestimmungsschluessel/Restionaceae_en.html. Downloaded.
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 |
| Linder, H.P., Turner, R.C. & Raimondo, D. 2007. Hypodiscus alternans Pillans. National Assessment: Red List of South African Plants version . Accessed on 2025/05/22 |
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