|
Scientific Name | Trachyandra kamiesbergensis Boatwr. & J.C.Manning |
Higher Classification | Monocotyledons |
Family | ASPHODELACEAE |
National Status |
Status and Criteria | Vulnerable D2 |
Assessment Date | 2013/12/11 |
Assessor(s) | J.S. Boatwright & L. von Staden |
Justification | A localized species (EOO 350 km²), known from three locations and potentially threatened by habitat loss to crop cultivation. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | Namaqualand, Kamiesberg Mountains. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Namaqualand Granite Renosterveld |
Description | Well-drained sandy soil or stony granite soil in renosterveld. |
Threats |
| About 5% of this species' habitat, Namaqualand Granite Renosterveld, is currently cultivated, and crop fields are expanding sporadically, as this area is only marginally suitable for cultivation. At both known locations, surrounding areas have been recently ploughed, but this species' preference for rocky soils may afford it some protection against the impact of expanding cultivation. Parts of the Kamiesberg range are also severely overgrazed, however, Trachyandra species are generally unpalatable and thus not negatively affected by overgrazing. Species of this group, with their fleshy roots, are considered resilient to grazing. |
Population |
This species is currently known from only two subpopulations within a small area.
|
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Trachyandra kamiesbergensis Boatwr. & J.C.Manning | VU D2 | 2014.1 | |
Bibliography |
Boatwright, J.S. and Manning, J.C. 2010. Notes on the genus Trachyandra (Asphodelaceae: Asphodeloideae) 1: A review of the T. thyrsoidea group (Section Trachyandra), including three new species from the Northern Cape. South African Journal of Botany 76(3):499-510.
|
Citation |
| Boatwright, J.S. & von Staden, L. 2013. Trachyandra kamiesbergensis Boatwr. & J.C.Manning. National Assessment: Red List of South African Plants version . Accessed on 2024/09/08 |
Comment on this assessment
