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Scientific Name | Watsonia strictiflora Ker Gawl. |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
National Status |
Status and Criteria | Critically Endangered B1ab(iii)+2ab(iii) |
Assessment Date | 2006/09/17 |
Assessor(s) | D. Raimondo & R.C. Turner |
Justification | EOO 20km², AOO<2 km², known from two severely fragmented subpopulations. It has lost 98% of its habitat to vineyard and wheat cultivation and urban expansion over the past 200 years. Declining in habitat quality due to alien plant invasion and potentially threatened by urban expansion. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Klapmuts to Joostenberg and Paarl. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Swartland Shale Renosterveld, Swartland Granite Renosterveld, Swartland Alluvium Fynbos |
Description | Clay flats. |
Threats |
| Invasive Alien Species (direct effects), Habitat loss |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Watsonia strictiflora Ker Gawl. | CR B1ab(iii)+2ab(iii) | Raimondo et al. (2009) | | Watsonia strictiflora Ker Gawl. | Endangered | Hilton-Taylor (1996) | | Watsonia strictiflora Ker Gawl. | Uncertain | Hall et al. (1980) | |
Bibliography |
Goldblatt, P. 1989. The genus Watsonia. A systematic monograph. Annals of Kirstenbosch Botanic Gardens 19:1-148. National Botanic Gardens, Cape Town.
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.
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 |
| Raimondo, D. & Turner, R.C. 2006. Watsonia strictiflora Ker Gawl. National Assessment: Red List of South African Plants version . Accessed on 2025/05/09 |
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