|
Scientific Name | Ixia fuscocitrina Desf. ex DC. |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Synonyms | Ixia maculata L. var. fuscocitrina (Desf. ex DC.) G.J.Lewis |
National Status |
Status and Criteria | Endangered B1ab(i,ii,iii,iv,v) |
Assessment Date | 2015/06/30 |
Assessor(s) | P. Goldblatt, J.C. Manning, D. Raimondo & L. von Staden |
Justification | EOO 2278 km², a rare, poorly known species, known from fewer than five widely scattered locations, and declining due to ongoing habitat loss and degradation. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Piketberg to Durbanville. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Swartland Granite Renosterveld, Leipoldtville Sand Fynbos |
Description | Sandy, usually damp, alluvial flats. |
Threats |
Habitat loss to crop cultivation is the most severe past and continuing threat to this taxon. Other threats include urban expansion, alien plant invasion and collecting for horticultural purposes. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Ixia fuscocitrina Desf. ex DC. | EN B1ab(i,ii,iii,iv,v) | 2015.1 | Ixia maculata L. var. fuscocitrina (Desf. ex DC.) G.J.Lewis | EN B1ab(ii,iii,iv,v) | Raimondo et al. (2009) | Ixia maculata L. var. fuscocitrina (Desf. ex DC.) G.J.Lewis | Insufficiently Known | Hilton-Taylor (1996) | Ixia maculata L. var. fuscocitrina (Desf. ex DC.) G.J.Lewis | Uncertain | Hall et al. (1980) | |
Bibliography |
De Vos, M.P. 1999. Ixia. In: O.A. Leistner (ed). Flora of Southern Africa 7 Iridaceae Part 2: Ixioideae, Fascicle 1: Ixieae:3-87. National Botanical Institute, Pretoria.
Goldblatt, P. and Manning, J.C. 2010. Iridaceae: Reappraisal of Ixia maculata with I. calendulacea sp. nov., and an earlier name for I. lutea. Bothalia 40(1):59-64.
Goldblatt, P. and Manning, J.C. 2016. Systematics of the southern African genus Ixia L. (Iridaceae): 5. Synopsis of section Ixia, including five new species. South African Journal of Botany 104:175-198.
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.
Lewis, G.J. 1962. South African Iridaceae. The genus Ixia. Journal of South African Botany 28:45-195.
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. & von Staden, L. 2015. Ixia fuscocitrina Desf. ex DC. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |