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Scientific Name | Euchaetis intonsa I.Williams |
Higher Classification | Dicotyledons |
Family | RUTACEAE |
National Status |
Status and Criteria | Vulnerable D2 |
Assessment Date | 2019/03/27 |
Assessor(s) | L. von Staden |
Justification | Euchaetis intonsa is a highly-localized species, with an extent of occurrence (EOO) of 234 km², and an area of occupancy (AOO) of 36 km². It is known from three locations and potentially threatened by competition from alien invasive plants. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is endemic to De Hoop Nature Reserve in the Western Cape. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | De Hoop Limestone Fynbos |
Description | It occurs on southeast-facing slopes in coastal limestone fynbos. |
Threats |
| Most of this species' habitat is infested with alien invasive plants that are outcompeting native species. There has been efforts to clear alien invasive plants inside De Hoop Nature Reserve, but recent field observations indicate that alien invasive plants are still present, requiring ongoing management and clearing. Two subpopulations occur outside the boundaries of De Hoop Nature Reserve, where it is not known how much effort is put into clearing alien invasive plants. |
Population |
This species is rare, and known from a few small subpopulations. The population size and trend is not known, and requires monitoring to determine the impact of alien invasive plants. It was last recorded in 2005.
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Population trend | Unknown |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Euchaetis intonsa I.Williams | VU D2 | 2020.1 | | Euchaetis intonsa I.Williams | Rare | Raimondo et al. (2009) | | Euchaetis intonsa I.Williams | VU D2 | Victor (2002) | | Euchaetis intonsa I.Williams | Rare | Hilton-Taylor (1996) | |
Bibliography |
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.
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
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.
Victor, J.E. 2002. South Africa. In: J.S. Golding (ed), Southern African plant Red Data Lists. Southern African Botanical Diversity Network Report 14 (pp. 93-120), SABONET, Pretoria.
Williams, I. 1981. Studies in the genera of the Diosmeae (Rutaceae): 10. A review of the genus Euchaetis. Journal of South African Botany 47(2):157-193.
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Citation |
| von Staden, L. 2019. Euchaetis intonsa I.Williams. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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