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Scientific Name | Portulacaria armiana Van Jaarsv. |
Higher Classification | Dicotyledons |
Family | DIDIEREACEAE |
Common Names | Whip Porkbush (e) |
National Status |
Status and Criteria | Vulnerable D2 |
Assessment Date | 2015/05/11 |
Assessor(s) | L. von Staden & P.C.V. Van Wyk |
Justification | A rare, localized species, known from two to three locations and potentially threatened by habitat destruction. |
Distribution |
Endemism | Not endemic to South Africa |
Provincial distribution | Northern Cape |
Range | Richtersveld, hills north and south of the Orange River. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Noms Mountain Desert |
Description | Rocky, north-facing slopes of mica-schist koppies. |
Threats |
| Potentially threatened by habitat loss to mining, as well as erosion and trampling as a result of overgrazing. |
Population |
A rarely recorded, localized species, but possibly overlooked - it occurs in a remote and botanically still relatively poorly explored area. In South Africa it is known from two subpopulations, and three in Namibia, all within an Extent of Occurrence of 439 km². The population is stable.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Portulacaria armiana Van Jaarsv. | VU D2 | 2015.1 | | Portulacaria armiana Van Jaarsv. | Least Concern | Raimondo et al. (2009) | | Portulacaria armiana Van Jaarsv. | Rare | Hilton-Taylor (1996) | |
Bibliography |
Bruyns, P.V., Oliveira-Neto, M., Melo-de-Pinna, G.F. and Klak, C. 2014. Phylogenetic relationships in the Didiereaceae with special reference to subfamily Portulacarioideae. Taxon 63(5):1053-1064.
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.
Van Jaarsveld, E.J. 1984. Portulacaria armiana: A new Portulacaria (Portulacaceae) from southern Namibia. Journal of South African Botany 50(3):393-399.
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Citation |
| von Staden, L. & Van Wyk, P.C.V. 2015. Portulacaria armiana Van Jaarsv. National Assessment: Red List of South African Plants version . Accessed on 2025/07/04 |
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