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Scientific Name | Tritoniopsis flexuosa (L.f.) G.J.Lewis |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Synonyms | Acidanthera flexuosa (L.f.) Baker, Exohebea flexuosa (L.f.) G.J.Lewis, Gladiolus flexuosus L.f., Sphaerospora flexuosa (L.f.) Klatt |
National Status |
Status and Criteria | Endangered B1ab(ii,iii,iv,v) |
Assessment Date | 2006/09/23 |
Assessor(s) | P. Goldblatt, J.C. Manning, K. Naidoo & R.C. Turner |
Justification | EOO 434 km², known from three locations at the base of Shaw's and Bredasdorp mountains. Declining as a result of crop cultivation and alien plant invasion. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Shaw's Mountain to Agulhas Plain. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Western Ruens Shale Renosterveld, Ruens Silcrete Renosterveld, Elim Ferricrete Fynbos |
Description | Hard, ferruginous, gravely soil with clay in renosterveld. |
Threats |
Invasive Alien Species (direct effects), Habitat loss |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Tritoniopsis flexuosa (L.f.) G.J.Lewis | EN B1ab(ii,iii,iv,v) | Raimondo et al. (2009) | Tritoniopsis flexuosa (L.f.) G.J.Lewis | Vulnerable | Hilton-Taylor (1996) | Tritoniopsis flexuosa (L.f.) G.J.Lewis | Vulnerable | Hall et al. (1980) | |
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.
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.
Manning, J., Goldblatt, P. and Snijman, D. 2002. The color encyclopedia of Cape bulbs. Timber Press, Portland/Cambridge.
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., Manning, J.C., Naidoo, K. & Turner, R.C. 2006. Tritoniopsis flexuosa (L.f.) G.J.Lewis. National Assessment: Red List of South African Plants version . Accessed on 2025/02/11 |