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Scientific Name | Tetraena decumbens (Delile) Beier & Thulin |
Higher Classification | Dicotyledons |
Family | ZYGOPHYLLACEAE |
Synonyms | Zygophyllum decumbens Delile, Zygophyllum decumbens Delile var. decumbens |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2015/06/12 |
Assessor(s) | D. van der Colff |
Justification | This species is widespread and not in danger of extinction. It is therefore assessed as Least Concern. |
Distribution |
Endemism | Not endemic to South Africa |
Provincial distribution | Northern Cape |
Range | It is found from southern Namibia to Bushmanland. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Helskloof Canyon Desert, Upper Gariep Alluvial Vegetation, Bushmanland Vloere, Noms Mountain Desert, Eastern Gariep Rocky Desert, Richtersberg Mountain Desert, Richtersveld Sheet Wash Desert, Lower Gariep Alluvial Vegetation, Kahams Mountain Desert, Aggeneys Gravel Vygieveld, Northern Nababiepsberge Mountain Desert, Southern Nababiepsberge Mountain Desert, Eastern Gariep Plains Desert, Lower Gariep Broken Veld, Kalahari Karroid Shrubland, Bushmanland Inselberg Shrubland, Kwaggarug Mountain Desert |
Description | Plants grow in limestone, sand or shale flats, quartz or dolerite hills, in dry river courses and sandy washes. |
Threats |
| No threats have been reported for this species. Plants are not grazed by livestock, and around Keimoes and Kakamas it occurs as a weed in vineyards (Van Zyl 2000). |
Population |
Populations are large and consist of many individuals of all sizes and ages dispersed over large areas (Van Zyl 2000).
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Zygophyllum decumbens Delile var. decumbens | 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.
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.
Van Zyl, L. 2000. A systematic revision of Zygophyllum (Zygophyllaceae) in the southern African region. Unpublished PhD, University of Stellenbosch, Stellenbosch.
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Citation |
| van der Colff, D. 2015. Tetraena decumbens (Delile) Beier & Thulin. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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