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Scientific Name | Tritonia dubia Eckl. ex Klatt |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Synonyms | Montbretia dubia (Eckl. ex Klatt) Baker, Tritonia bolusii Baker, Tritonixia bolusii (Baker) Klatt, Tritonixia dubia (Eckl. ex Klatt) Klatt |
National Status |
Status and Criteria | Near Threatened B1ab(ii,iii,iv,v) |
Assessment Date | 2007/04/27 |
Assessor(s) | D. Raimondo |
Justification | Known from 12 locations from a restricted area of 770 km² between Port Elizabeth, Uitenhage and Jeffrey's Bay. It has lost over 50% of it habitat in the past 150 years to urban expansion and crop cultivation, these threats are ongoing. In addition, alien plant invasion is causing ongoing degradation to remaining habitat. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Eastern Cape |
Range | Humansdorp to Port Elizabeth. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Fynbos |
Description | Clay slopes in renosterveld. |
Threats |
| Large parts of this species' habitat is already transformed for crop cultivation and urban expansion, and loss is ongoing. Furthermore, many remaining subpopulations are threatened by competition from alien invasive plants. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Tritonia dubia Eckl. ex Klatt | NT B1ab(ii,iii,iv,v) | Raimondo et al. (2009) | |
Bibliography |
De Vos, M.P. 1999. Tritonia. In: O.A. Leistner (ed). Flora of Southern Africa 7 Iridaceae Part 2: Ixioideae, Fascicle 1: Ixieae:89-128. National Botanical Institute, Pretoria.
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.
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. 2007. Tritonia dubia Eckl. ex Klatt. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2021/09/19 |
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