|
Scientific Name | Trichodiadema olivaceum L.Bolus |
Higher Classification | Dicotyledons |
Family | AIZOACEAE |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2019/11/04 |
Assessor(s) | D. Raimondo |
Justification | Trichodiadema olivaceum is endemic to the eastern Karoo, with an extent of occurrence (EOO) of 4927 km². The majority of records for this species come from hill slopes and there are no significant threats recorded to this species. It therefore qualifies as Least Concern. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Eastern Cape |
Range | This species is endemic to South Africa, and is found from Somerset East to Steynsburg. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Eastern Upper Karoo, Bedford Dry Grassland, Tarkastad Montane Shrubland, Karoo Escarpment Grassland, Southern Karoo Riviere, Sundays Arid Thicket |
Description | It occurs on slopes and flats of weathered karoo sediments. |
Threats |
| No significant threats are recorded for Trichodiadema olivaceum. |
Population |
This species grows amongst other bushes and is hard to detect, it is currently known from 10 different collection localities but is highly likely to be undercollected. There is no information available on population abundance.
|
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Trichodiadema olivaceum L.Bolus | Least Concern | Raimondo et al. (2009) | |
Bibliography |
Bredenkamp, C. In prep. Conspectus of the flora of the Eastern cape. Strelitzia.
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 |
| Raimondo, D. 2019. Trichodiadema olivaceum L.Bolus. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
Comment on this assessment
