Taxonomy
Scientific Name
Ixia curvata G.J.Lewis
Higher Classification
Monocotyledons
Family
IRIDACEAE
National Status
Status and Criteria
Least Concern
Assessment Date
2014/04/08
Assessor(s)
P. Goldblatt, D. Raimondo & L. von Staden
Justification
A range-restricted species (EOO 1119 km²), but not threatened.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
Hantamsberg near Calvinia to the Roggeveld Escarpment near Middelpos.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Fynbos, Succulent Karoo
Description
Rocky clay soils derived from dolerite and shale.
Threats
No threats (P. Goldblatt pers. comm. 2006, Goldblatt and Manning 2012).
Population

This species is known from only a few collections, but it is likely to be more common, as it occurs in a remote and botanically still poorly explored area. Flowering is also apparently dependent on rainfall, and this species is much rarer in drier years (P. Goldblatt pers. obs. 2006).


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Ixia curvata G.J.LewisLeast Concern Raimondo et al. (2009)
Ixia curvata G.J.LewisInsufficiently Known Hilton-Taylor (1996)
Ixia curvata G.J.LewisUncertain 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.


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
Goldblatt, P., Raimondo, D. & von Staden, L. 2014. Ixia curvata G.J.Lewis. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

Comment on this assessment Comment on this assessment
Distribution map


Search for images of Ixia curvata on iNaturalist