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Scientific Name | Thereianthus racemosus (Klatt) G.J.Lewis |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Synonyms | Watsonia racemosa Klatt |
National Status |
Status and Criteria | Rare |
Assessment Date | 2020/11/24 |
Assessor(s) | N.A. Helme, D. Raimondo & L. von Staden |
Justification | Thereianthus racemosus is a localized habitat specialist with an extent of occurrence (EOO) of 33 km². It is not threatened. It is therefore listed under the IUCN 3.1 Criteria, globally, as Least Concern but is nationally categorised as Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is endemic to South Africa, and is found in Twenty Four Rivers and Groot Winterhoek mountains near Porterville. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Winterhoek Sandstone Fynbos |
Description | It occurs in seasonally moist or marshy sandy flats. |
Threats |
| This species' habitat is well protected and it is not threatened. |
Population |
There is no information available on the population of Thereianthus racemosus.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Thereianthus racemosus (Klatt) G.J.Lewis | Rare | Raimondo et al. (2009) | | Thereianthus racemosus (Klatt) G.J.Lewis | Rare | Hilton-Taylor (1996) | | Thereianthus racemosus (Klatt) G.J.Lewis | Rare | 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.
Manning, J.C. and Goldblatt, P. 2011. Taxonomic revision of the genus Thereianthus (Iridaceae: Crocoideae). Bothalia 41(2):239-267.
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. 2020. Thereianthus racemosus (Klatt) G.J.Lewis. National Assessment: Red List of South African Plants version . Accessed on 2024/12/08 |
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