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Scientific Name | Agathosma alligans Williams |
Higher Classification | Dicotyledons |
Family | RUTACEAE |
National Status |
Status and Criteria | Rare |
Assessment Date | 2020/01/20 |
Assessor(s) | T. Trinder-Smith & L. von Staden |
Justification | Agathosma alligans is a highly range-restricted species, with an extent of occurrence (EOO) of 14 km². Its habitat is protected, and it has no severe threats, and therefore it is not suspected to be in danger of extinction. It is therefore listed under the IUCN 3.1. criteria as Least Concern but is nationally recognised as Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is endemic to a small area in the Western Cape, where it occurs in the upper Olifants River Valley east of Porterville. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Winterhoek Sandstone Fynbos |
Description | It is localized to crevices on sandstone cliffs. |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Agathosma alligans Williams | Rare | Raimondo et al. (2009) | |
Bibliography |
Bolus Herbarium. The genus Agathosma, specimen data from the Bolus Herbarium Collections database. University of Cape Town, Cape Town. Downloaded on 2007.
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.
Manning, J.C. and Goldblatt, P. 2012. Plants of the Greater Cape Floristic Region 1: The Core Cape Flora. Strelitzia 29. South African National Biodiversity 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.
Williams, I. 1985. Studies on the genera of the Diosmeae (Rutaceae): 16. A key to the genera of the Diosmeae Benth. & Hook. (Rutaceae) and a description of a new species of Agathosma (Rutaceae). South African Journal of Botany 51(2):149-151.
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Citation |
| Trinder-Smith, T. & von Staden, L. 2020. Agathosma alligans Williams. National Assessment: Red List of South African Plants version . Accessed on 2025/07/04 |
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