Taxonomy
Scientific Name
Tetragonia caesia Adamson
Higher Classification
Dicotyledons
Family
AIZOACEAE
National Status
Status and Criteria
Endangered B1ab(ii,iii, v)
Assessment Date
2006/11/06
Assessor(s)
N.A. Helme
Justification
Known from less than five locations and declining primarily as a result of urban expansion, but also due to alien plant invasion and quarrying.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Cape Flats to Gansbaai.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Overberg Dune Strandveld, Cape Flats Dune Strandveld
Description
Alkaline sand flats and dunes near the coast.
Threats
Invasive Alien Species (direct effects), Habitat loss
Population
Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Tetragonia caesia AdamsonEN B1ab(ii,iii, v)Raimondo et al. (2009)
Bibliography

Adamson, R.S. 1955. The South African species of Aizoaceae I. Adenogramma and Polpoda. Journal of South African Botany 21:83-95.


Goldblatt, P. and Manning, J.C. 2000. Cape Plants: A conspectus of the Cape Flora of South Africa. Strelitzia 9. National Botanical Institute, Cape Town.


Hartmann, H.E.K. 2002. Illustrated handbook of succulent plants: Aizoaceae A-E. Springer, Berlin.


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
Helme, N.A. 2006. Tetragonia caesia Adamson. National Assessment: Red List of South African Plants version . Accessed on 2025/05/09

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Distribution map


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