Taxonomy
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.SteinerVU D1+2Raimondo et al. (2009)
Diascia lewisiae K.E.SteinerVulnerable 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.


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 2020.1. Accessed on 2022/01/26

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Distribution map


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