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Scientific Name | Isolepis bulbifera (Boeck.) Muasya |
Higher Classification | Monocotyledons |
Family | CYPERACEAE |
Synonyms | Scirpus bulbiferus Boeck., Scirpus delicatulus Levyns |
National Status |
Status and Criteria | Extinct |
Assessment Date | 2007/03/11 |
Assessor(s) | M. Muasya & D. Raimondo |
Justification | Endemic to wetlands on the Cape Flats, known from two herbarium records. Last collected before 1950 at Kenilworth Racecourse, and despite four thorough searches in the correct habitat it has not been relocated, it is thus considered extinct. It went extinct due to the impacts of urban expansion and alien plant invasion. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Cape Flats. |
Habitat and Ecology |
Major system | Freshwater |
Major habitats | Fynbos |
Description | Shallow soil at the edge of vleis. |
Threats |
Urban expansion was an extremely severe past threat that has lead to altering of water flow regimes and drainage and wearing of wetlands. |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Isolepis bulbifera (Boeck.) Muasya | Extinct | Raimondo et al. (2009) | Scirpus delicatulus Levyns | Data Deficient | Victor (2002) | Scirpus delicatulus Levyns | Indeterminate | Hilton-Taylor (1996) | |
Bibliography |
Helme, N.A. and Trinder-Smith, T.H. 2006. The endemic flora of the Cape Peninsula, South Africa. South African Journal of Botany 72(2):205-210.
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
Muasya, A.M. and Simpson, D.A. 2002. A monograph of the genus Isolepis R.Br. (Cyperaceae). Kew Bulletin 57(2):257-362.
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.
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Citation |
Muasya, M. & Raimondo, D. 2007. Isolepis bulbifera (Boeck.) Muasya. National Assessment: Red List of South African Plants version . Accessed on 2025/05/31 |