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Scientific Name | Geissorhiza leipoldtii R.C.Foster |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Synonyms | Geissorhiza ixioides Schltr. |
Common Names | Syblom (a), Sysie (a) |
National Status |
Status and Criteria | Rare |
Assessment Date | 2023/06/01 |
Assessor(s) | P. Goldblatt & T. Patel |
Justification | This restricted range species has an extent of occurrence (EOO) of 318 km² and an area of occupancy (AOO) of 32 km². It is known from eight subpopulations and is not threatened as it occurs mostly within the Cederberg Wilderness Area. It is therefore listed globally as Least Concern and nationally, as Rare. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | An endemic to the Western Cape Province of South Africa found in the Pakhuis Mountains and the hill slopes in the Biedouw Valley and near Wuppertal. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Agter-Sederberg Shrubland, Citrusdal Vygieveld, Northern Inland Shale Band Vegetation |
Description | It occurs on seasonally moist, south-facing shale slopes. |
Threats |
| This species lost 12% of its habitat to crop cultivation in the past, however loss is not ongoing and remaining subpopulations are not threatened. It occurs mostly within the Cederberg Wilderness Area. |
Population |
The population has a stable trend. It is known from eight subpopulations.
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Population trend | Stable |
Conservation |
| This species is conserved in the Cederberg Wilderness Area. |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Geissorhiza leipoldtii R.C.Foster | Rare | Raimondo et al. (2009) | | Geissorhiza leipoldtii R.C.Foster | Not Threatened | Hilton-Taylor (1996) | | Geissorhiza leipoldtii R.C.Foster | Uncertain | Hall et al. (1980) | | Geissorhiza ixioides Schltr. | Uncertain | Hall et al. (1980) | |
Bibliography |
Goldblatt, P. 1985. Systematics of the southern African genus Geissorhiza (Iridaceae-Ixioideae). Annals of the Missouri Botanical Garden 72(2):277-447.
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.
Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.
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 |
| Goldblatt, P. & Patel, T. 2023. Geissorhiza leipoldtii R.C.Foster. National Assessment: Red List of South African Plants version . Accessed on 2024/09/08 |
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