Taxonomy
Scientific Name
Zaluzianskya marlothii Hilliard
Higher Classification
Dicotyledons
Family
SCROPHULARIACEAE
National Status
Status and Criteria
Critically Endangered B1ab(iii)+2ab(iii)
Assessment Date
2019/11/09
Assessor(s)
D. Raimondo
Justification
A Roggeveld endemic known only form one location (extent of occurrence 8.5 km²). This species has lost habitat to crop cultivation and remaining habitat is experiencing ongoing degradation as a result of livestock overgrazing and drought. It therefore qualifies as Critically Endangered under criterion B.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape, Western Cape
Range
Uitkyk and Sneeukrans in the Roggeveld.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Succulent Karoo
Description
High altitude arid slopes in mountain renosterveld.
Threats
There has been extensive transformation at the only known location for cereal cultivation. Remaining areas of renosterveld are threatened by livestock grazing and increasing frequency of drought as a result of climate change.
Population

There is no information available about the size of the population, there have only been two collections of this species one in 1930 and again in 1998.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Zaluzianskya marlothii HilliardData Deficient Raimondo et al. (2009)
Zaluzianskya marlothii HilliardInsufficiently Known 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.


Snijman, D.A. 2013. Plants of the Greater Cape Floristic Region 2: The extra Cape flora. Strelitzia 30. South African National Biodiversity Institute, Pretoria.


Citation
Raimondo, D. 2019. Zaluzianskya marlothii Hilliard. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2020/10/28

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Distribution map


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