Taxonomy
Scientific Name
Ixia brevituba G.J.Lewis
Higher Classification
Monocotyledons
Family
IRIDACEAE
Synonyms
Ixia amethystina J.C.Manning & Goldblatt
National Status
Status and Criteria
Rare
Assessment Date
2022/11/18
Assessor(s)
L. von Staden & D. Raimondo
Justification
A range-restricted species, that is not threatened. It has an extent of occurrence (EOO) of 212 km². It qualifies for listing as Rare nationally and qualifies under the IUCN 3.1. criteria as Least Concern.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
This species is endemic to South Africa, and is found in the Roggeveld Escarpment southwest of Middelpos.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Tanqua Escarpment Shrubland, Roggeveld Karoo, Roggeveld Shale Renosterveld, Nieuwoudtville-Roggeveld Dolerite Renosterveld
Description
It grows in stony, light clay in renosterveld.
Threats
Much of this species' range falls within the Tanqua Karoo National Park, and there are no significant threats.
Population

There is no information on the population of Ixia brevituba.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Ixia brevituba G.J.LewisRare 2014.1
Ixia amethystina J.C.Manning & GoldblattRare Raimondo et al. (2009)
Ixia brevituba G.J.LewisRare Raimondo et al. (2009)
Ixia brevituba G.J.LewisRare Hilton-Taylor (1996)
Ixia brevituba G.J.LewisVulnerable Hall et al. (1980)
Bibliography

Goldblatt, P. and Manning, J.C. 2012. Systematics of the southern African genus Ixia (Iridaceae:Crocoideae): 4. Revision of sect. Dichone. Bothalia 42(2):87-110.


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.C. and Goldblatt, P. 2006. New species of Iridaceae from the Hantam-Roggeveld Centre of Endemism, and the Bokkeveld, Northern Cape, South Africa. Bothalia 36(2):139-145.


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.


Snijman, D.A. 2013. Plants of the Greater Cape Floristic Region 2: The extra Cape flora. Strelitzia 30. South African National Biodiversity Institute, Pretoria.


Citation
von Staden, L. & Raimondo, D. 2022. Ixia brevituba G.J.Lewis. National Assessment: Red List of South African Plants version . Accessed on 2025/05/01

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Distribution map


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