|
Scientific Name | Indigofera asantasanensis Schrire & V.R.Clark |
Higher Classification | Dicotyledons |
Family | FABACEAE |
National Status |
Status and Criteria | Vulnerable D2 |
Assessment Date | 2019/11/09 |
Assessor(s) | V.R. Clark & D. Raimondo |
Justification | Indigofera asantasanensis is a range-restricted species, with an extent of occurrence (EOO) of 20 km² and an area of occupancy (AOO) of 12 km². It occurs at two locations where it is potentially threatened by invasive alien grasses and climate change. It is therefore listed as Vulnerable under criteria D2. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Eastern Cape |
Range | This species is endemic to South Africa, and is confined to the summit plateau of the Toorberg-Koudeveld-Meelberg in the western Sneeuberg, between 1700-2150m. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Karoo Escarpment Grassland |
Description | It is found exclusively on the dolerite-derived loamy-clays and black turf soils on mountain plateaux in Karoo Escarpment Grassland. |
Threats |
| This species' habitat is currently used for game farming, which appears to pose no apparent threat to the population. Local infestations of alien invasive grasses on neighbouring properties could potentially outcompete the localized population of this species, should it spread into its habitat. As it is a high-altitude habitat specialist, it is also potentially threatened by climate change. |
Population |
Subpopulations of Indigofera asantasanensis are large. The population is not suspected to be declining.
|
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Indigofera asantasanensis Schrire & V.R.Clark | VU D2 | 2017.1 | |
Bibliography |
Clark, V.R., Schrire, B.D. and Barker, N.P. 2015. Two new species of Indigofera L. (Leguminosae) from the Sneeuberg Centre of Floristic Endemism, Great Escarpment (Eastern and Western Cape, South Africa). PhytoKeys 48:29-41.
|
Citation |
| Clark, V.R. & Raimondo, D. 2019. Indigofera asantasanensis Schrire & V.R.Clark. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
Comment on this assessment
