Taxonomy
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.LewisEN B1ab(ii,iii,iv,v)Raimondo et al. (2009)
Tritoniopsis flexuosa (L.f.) G.J.LewisVulnerable Hilton-Taylor (1996)
Tritoniopsis flexuosa (L.f.) G.J.LewisVulnerable 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.


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

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Distribution map


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