Taxonomy
Scientific Name
Tritonia marlothii M.P.de Vos subsp. marlothii
Higher Classification
Monocotyledons
Family
IRIDACEAE
National Status
Status and Criteria
Vulnerable B1ab(iii)
Assessment Date
2015/05/24
Assessor(s)
P. Goldblatt, J.C. Manning & D. Raimondo
Justification
EOO 5948 km², known from fewer than 10 locations and declining as a result of livestock overgrazing and trampling.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
Richtersveld.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Lekkersing Succulent Shrubland, Central Richtersveld Mountain Shrubland, Kahams Mountain Desert, Richtersberg Mountain Desert, Eastern Gariep Rocky Desert
Description
Granite soils.
Threats
This taxon occurs on lower slopes and flats, where degradation due to severe overstocking of communally owned rangelands is ongoing.
Population
Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Tritonia marlothii M.P.de Vos subsp. marlothii VU B1ab(iii)2015.1
Tritonia marlothii M.P.de VosLeast Concern Raimondo et al. (2009)
Tritonia marlothii M.P.de VosRare Hilton-Taylor (1996)
Bibliography

De Vos, M.P. 1982. The African genus Tritonia Ker Gawler (Iridaceae): Part I. Sections Tritonia, Pectinatae and Teretifoliae. Journal of South African Botany 48:105-163.


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.


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.


Citation
Goldblatt, P., Manning, J.C. & Raimondo, D. 2015. Tritonia marlothii M.P.de Vos subsp. marlothii. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2021/09/19

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Distribution map


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