|
Scientific Name | Bergeranthus leightoniae L.Bolus |
Higher Classification | Dicotyledons |
Family | AIZOACEAE |
National Status |
Status and Criteria | Near Threatened B1b(iii)+2b(iii) |
Assessment Date | 2023/04/20 |
Assessor(s) | V. Zikishe |
Justification | This Eastern Cape endemic has a restricted range, with an extent of occurrence (EOO) of 14 017 km², and an area of occupancy (AOO) of 100 km². Its habitat at between 17 and 20 known locations is declining due to habitat loss and degradation. It is therefore listed as Near Threatened under criterion B. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Eastern Cape |
Range | This species occurs in the Eastern Cape Province of South Africa in the districts of King William's Town, Stutterheim, and Komga, there is also a single disjunct population recorded from near Umtata. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Grassland |
Description | It grows on exposed intrusive dolerite sills in moist upland grassland. |
Threats |
Current threats to this species in King William's Town and Umtata region include habitat loss from human settlement and degradation from livestock trampling. |
Population |
This species can be locally common but only occurs in a specialised habitat and is thus limited in its occurrence. The population trend is inferred to be declining as a result of ongoing habitat loss to human settlement and habitat degradation due to trampling by livestock.
|
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Bergeranthus leightoniae L.Bolus | Least Concern | Raimondo et al. (2009) | |
Bibliography |
Dold, A.P., Hammer, S.A. and Barker, N.P. 2005. Leaves of grass: A taxonomic revision of the genus Bergeranthus Schwantes (Aizoaceae). Haseltonia 11:78-97.
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
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 |
Zikishe, V. 2023. Bergeranthus leightoniae L.Bolus. National Assessment: Red List of South African Plants version . Accessed on 2024/12/07 |