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Scientific Name | Trieenea frigida Hilliard |
Higher Classification | Dicotyledons |
Family | SCROPHULARIACEAE |
National Status |
Status and Criteria | Critically Rare |
Assessment Date | 2020/11/30 |
Assessor(s) | N.A. Helme & D. Raimondo |
Justification | Trieenea frigida is only known from the type, but is unlikely to be threatened due to its specificity to high altitude rocky habitats. It has an extent of occurrence (EOO) of less than 10 km². It is therefore listed under the IUCN 3.1. criteria as Least Concern but is nationally recognised as Critically Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is endemic to South Africa, and is found in Koue Bokkeveld Mountains. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Cederberg Sandstone Fynbos |
Description | It occurs on rock overhangs, at high altitude. |
Threats |
| There are no threats to Trieenea frigida. |
Population |
There is no information available on the population of this species.
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Population trend | Stable |
Notes |
| Known only from the type collection, made in 1951. |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Trieenea frigida Hilliard | Critically Rare | Raimondo et al. (2009) | | Trieenea frigida Hilliard | Insufficiently Known | 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.
Hilliard, O.M. 1994. The Manuleae: a tribe of Scrophulariaceae. Edinburgh University Press, Edinburgh.
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 |
| Helme, N.A. & Raimondo, D. 2020. Trieenea frigida Hilliard. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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