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Scientific Name | Bobartia filiformis (L.f.) Ker Gawl. |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Common Names | Biesie (a) |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2021/08/05 |
Assessor(s) | W. Foden, L. Potter & T. Patel |
Justification | Bobartia filiformis has an extent of occurrence (EOO) of 20 004 km², and an area of occupancy (AOO) of 276 km². It is known from at least 30 subpopulations, and is believed to have a stable population trend. While it has lost some suitable habitat, it does not yet qualify for a threat status under the IUCN criteria and is therefore listed as Least Concern. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species is endemic to South Africa, and is restricted to the mountains in the southwestern parts of the Western Cape province, from Michell's Pass near Ceres to the Cape Peninsula, and the Hottentots Holland mountains to Bredasdorp. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Fynbos |
Description | It occurs mainly on south-facing sandstone slopes or moist flats where it flowers best after fire. |
Threats |
| This species has lost some habitat due to agriculture and competition from alien invasive species, as well as habitat degradation due to agriculture (wood plantations and livestock) and too frequent fires. |
Population |
It is believed to have a stable population trend, and is known from at least 30 subpopulations.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Bobartia filiformis (L.f.) Ker Gawl. | Least Concern | Raimondo et al. (2009) | |
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.
Goldblatt, P. and Manning, J.C. 2020. Iridaceae of southern Africa. Strelitzia 42. 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.
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Citation |
| Foden, W., Potter, L. & Patel, T. 2021. Bobartia filiformis (L.f.) Ker Gawl. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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