Taxonomy
Scientific Name
Tritonia securigera (Aiton) Ker Gawl. subsp. securigera
Higher Classification
Monocotyledons
Family
IRIDACEAE
Synonyms
Ixia flabellularis Vahl, Ixia squalida Thunb., Ixia thunbergii Roem. & Schult., Montbretia securigera (Aiton) DC., Tritonia securigera (Aiton) Ker Gawl.
National Status
Status and Criteria
Least Concern
Assessment Date
2021/07/09
Assessor(s)
W. Foden, L. Potter & T. Patel
Justification
This taxon is widespread and has an extent of occurrence (EOO) of 28 717 km², and an area of occupancy (AOO) of 140 km². It is not threatened, and the population is not suspected to be declining. Therefore, it is listed as Least Concern.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape, Western Cape
Range
It is endemic to South Africa, and extends through southern Western Cape near Ladismith and Mossel Bay eastward through the Little Karoo and southern Cape to Adelaide and Somerset East in Eastern Cape.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Albany Thicket, Fynbos, Succulent Karoo
Description
It occurs on stony flats in renosterveld and karroid shrubland.
Threats
In total, less than 12% of this taxon's habitat has been lost to crop cultivation. There is no significant ongoing habitat loss.
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Tritonia securigera (Aiton) Ker Gawl. subsp. securigera Least Concern Raimondo et al. (2009)
Bibliography

Goldblatt, P. and Manning, J.C. 2020. Iridaceae of southern Africa. Strelitzia 42. South African National Biodiversity 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.


Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.


Citation
Foden, W., Potter, L. & Patel, T. 2021. Tritonia securigera (Aiton) Ker Gawl. subsp. securigera. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13

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Distribution map

© J.H. Vlok/A.L. Schutte-Vlok

© J.H. Vlok/A.L. Schutte-Vlok


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