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Scientific Name | Quaqua inversa (N.E.Br.) Bruyns |
Higher Classification | Dicotyledons |
Family | APOCYNACEAE |
Synonyms | Caralluma inversa N.E.Br., Caralluma villetii C.A.Lückh. |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2018/05/24 |
Assessor(s) | L. von Staden |
Justification | A widespread, but rare species (EOO 9417 km²). It is not suspected to be in danger of extinction. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape, Western Cape |
Range | Namaqualand, from Port Nolloth to Nuwerus. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Namaqualand Heuweltjieveld, Namaqualand Heuweltjie Strandveld, Namaqualand Klipkoppe Shrubland, Southern Namaqualand Quartzite Klipkoppe Shrubland |
Description | Firm, red sand or gneissic ground on low, rolling hills. |
Threats |
| There are no known threats to this species. |
Population |
A rare species known from a few scattered localities. The population is not suspected to be declining.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Quaqua inversa (N.E.Br.) Bruyns | Rare | Raimondo et al. (2009) | | Quaqua inversa (N.E.Br.) Bruyns | Rare | Hilton-Taylor (1996) | | Caralluma inversa N.E.Br. | Indeterminate | Hall et al. (1980) | | Caralluma villetii C.A.Lückh. | Rare | Hall et al. (1980) | |
Bibliography |
Bruyns, P.V. 1999. The systematic position of Quaqua (Apocynaceae, Asclepiadpoideae) with a critical revision of the species. Botanische Jahrbücher für Systematik 121(3):311-402.
Bruyns, P.V. 2005. Stapeliads of southern Africa and Madagascar. (Vol. 2, pp. 331-606). Umdaus Press, Pretoria.
Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.
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.
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Citation |
| von Staden, L. 2018. Quaqua inversa (N.E.Br.) Bruyns. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2023/12/03 |
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