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Scientific Name | Erica ioniana E.G.H.Oliv. |
Higher Classification | Dicotyledons |
Family | ERICACEAE |
National Status |
Status and Criteria | Rare |
Assessment Date | 2017/10/03 |
Assessor(s) | L. von Staden |
Justification | Erica ioniana is a highly localized endemic, with an extent of occurrence (EOO) of 9 km². It has no severe threats and is therefore not in danger of extinction. It is therefore listed under the IUCN 3.1 Criteria, globally, as Least Concern but is nationally categorised as Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is endemic to the Kleinrivier Mountains at Hermanus in the Western Cape of South Africa. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Overberg Sandstone Fynbos |
Description | It occurs on dry, flat sandy areas on upper slopes, 400-800 m. |
Threats |
| There are no severe threats to Erica ioniana. |
Population |
This is a small, inconspicuous shrub that is easily overlooked. It is known from a very small area around Vogelgat Nature Reserve, where the population is well-protected and it is not suspected to be declining. It is localized to a few patches of several hundred plants.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Erica ioniana E.G.H.Oliv. | Rare | 2020.1 | | Erica ioniana E.G.H.Oliv. | Least Concern | Raimondo et al. (2009) | |
Bibliography |
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.
Oliver, E.G.H. 1993. Studies in the Ericoideae (Ericaceae). XIII. Three new species of Erica from the southwestern Cape. Bothalia 23(1):9-14.
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. 2017. Erica ioniana E.G.H.Oliv. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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