Vaalkareedoring

Taxonomy
Scientific Name
Tetraena retrofracta (Thunb.) Beier & Thulin
Higher Classification
Dicotyledons
Family
ZYGOPHYLLACEAE
Synonyms
Zygophyllum retrofractum Thunb.
Common Names
Hondepisbos (a), Jakkalsbos (a), Vaalkareedoring (a)
National Status
Status and Criteria
Least Concern
Assessment Date
2018/07/26
Assessor(s)
L. von Staden
Justification
This species is widespread, common and not in danger of extinction. It is therefore assessed as Least Concern.
Distribution
Endemism
Not endemic to South Africa
Provincial distribution
Northern Cape, Western Cape
Range
It occurs from southern Namibia to Namaqualand and the Tanqua Karoo, with scattered records from Bushmanland and the Great Karoo.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Bushmanland Sandy Grassland, Namaqualand Riviere, Knersvlakte Dolomite Vygieveld, Vanrhynsdorp Gannabosveld, Knersvlakte Shale Vygieveld, Knersvlakte Quartz Vygieveld, Central Knersvlakte Vygieveld, Southern Namaqualand Quartzite Klipkoppe Shrubland, Northern Knersvlakte Vygieveld, Eastern Upper Karoo, Northern Upper Karoo, Upper Karoo Hardeveld, Western Upper Karoo, Gamka Karoo, Namaqualand Shale Shrubland, Northern Nababiepsberge Mountain Desert, Bushmanland Vloere, Southern Karoo Riviere, Tanqua Wash Riviere, Noms Mountain Desert, Eastern Gariep Rocky Desert, Bushmanland Basin Shrubland, Kahams Mountain Desert, Kalahari Karroid Shrubland, Southern Nababiepsberge Mountain Desert, Western Gariep Hills Desert, Lower Gariep Broken Veld, Blouputs Karroid Thornveld, Bushmanland Arid Grassland, Namaqualand Blomveld, Richtersberg Mountain Desert, Lekkersing Succulent Shrubland, Koedoesberge-Moordenaars Karoo, Tanqua Karoo, Tanqua Escarpment Shrubland, Agter-Sederberg Shrubland, Swartruggens Quartzite Karoo, Prince Albert Succulent Karoo, Doringrivier Quartzite Karoo, Roggeveld Karoo, Hantam Karoo, Namaqualand Strandveld, Oograbies Plains Sandy Grassland, Namaqualand Spinescent Grassland, Namaqualand Arid Grassland, Namaqualand Klipkoppe Shrubland, Umdaus Mountains Succulent Shrubland, Namaqualand Heuweltjieveld, Platbakkies Succulent Shrubland, Central Richtersveld Mountain Shrubland, Rooiberg Quartz Vygieveld, Kosiesberg Succulent Shrubland, Riethuis-Wallekraal Quartz Vygieveld, Southern Richtersveld Inselberg Shrubland, Northern Richtersveld Scorpionstailveld, Eenriet Plains Succulent Shrubland, Bushmanland Inselberg Shrubland, Aggeneys Gravel Vygieveld, Upper Annisvlakte Succulent Shrubland, Goariep Mountain Succulent Shrubland, Gordonia Duneveld, Southern Richtersveld Scorpionstailveld
Description
Plants grow in sandy, shale flats and rocky outcrops.
Population

This species occurs in large subpopulations of scattered plants over areas of several kilometres (Van Zyl 2000). It is widespread and common and the population is not suspected to be declining.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Zygophyllum retrofractum Thunb.Least Concern Raimondo et al. (2009)
Bibliography

Beier, B.-A., Chase, M. and Thulin, M. 2003. Phylogenetic relationships and taxonomy of subfamily Zygophylloideae (Zygophyllaceae) based on molecular and morphological data. Plant Systematics and Evolution 240(1-4):11-39.


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.


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.


Van Zyl, L. 2000. A systematic revision of Zygophyllum (Zygophyllaceae) in the southern African region. Unpublished PhD, University of Stellenbosch, Stellenbosch.


Citation
von Staden, L. 2018. Tetraena retrofracta (Thunb.) Beier & Thulin. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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Distribution map


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