|
Scientific Name | Thereianthus ixioides G.J.Lewis |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Synonyms | Watsonia filifolia E.Mey., Watsonia punctata (Andrews) Ker Gawl. var. filifolia E.Mey. ex Baker |
National Status |
Status and Criteria | Rare |
Assessment Date | 2014/04/30 |
Assessor(s) | L. von Staden |
Justification | A range-restricted species (EOO 313 km²), but not threatened. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Mountains between Wellington and Franschhoek. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Hawequas Sandstone Fynbos |
Description | Cool or seasonally damp south-facing slopes at mid altitudes. |
Threats |
| This species occurs in well-protected montane areas where it is not threatened. A small part of the population may have been lost to dam construction (e.g. in the Wemmershoek Valley) in the past, but this threat is not ongoing. |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Thereianthus ixioides G.J.Lewis | Rare | 2014.1 | | Thereianthus ixioides G.J.Lewis | Least Concern | 2013.1 | | Thereianthus ixioides G.J.Lewis | Least Concern | 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. 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.
|
Citation |
| von Staden, L. 2014. Thereianthus ixioides G.J.Lewis. National Assessment: Red List of South African Plants version . Accessed on 2025/01/25 |
Comment on this assessment
