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Scientific Name | Diascia lewisiae K.E.Steiner |
Higher Classification | Dicotyledons |
Family | SCROPHULARIACEAE |
National Status |
Status and Criteria | Vulnerable D1+2 |
Assessment Date | 2006/02/15 |
Assessor(s) | K.E. Steiner, S. Todd, E. Marinus & D. Raimondo |
Justification | EOO 64 km², AOO 5.4 km², known from five small subpopulations that together consist of fewer than 1000 mature individuals. Four of the five subpopulations occur on private land and are potentially threatened by crop cultivation and road widening. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape |
Range | Nieuwoudtville. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Nieuwoudtville Shale Renosterveld |
Description | Loamy tillite soil. |
Threats |
Habitat loss, Habitat degradation |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Diascia lewisiae K.E.Steiner | VU D1+2 | Raimondo et al. (2009) | Diascia lewisiae K.E.Steiner | Vulnerable | Hilton-Taylor (1996) | |
Bibliography |
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.
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Citation |
Steiner, K.E., Todd, S., Marinus, E. & Raimondo, D. 2006. Diascia lewisiae K.E.Steiner. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |