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Scientific Name | Ixia longituba N.E.Br. subsp. macrosiphon Goldblatt & J.C.Manning |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
National Status |
Status and Criteria | Endangered B1ab(iii)+2ab(iii) |
Assessment Date | 2012/10/31 |
Assessor(s) | L. von Staden |
Justification | A highly localized taxon (EOO 228 km²), known from fewer than five locations and declining due to ongoing habitat loss and degradation as a result of agricultural expansion and competition from alien invasive plants. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Foothills of the Riviersonderend Mountains between Villiersdorp and Stormsvlei. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Central Ruens Shale Renosterveld, Western Ruens Shale Renosterveld, Greyton Shale Fynbos |
Description | Heavy clay soils on lower slopes. |
Threats |
| Threatened by ongoing habitat loss as a result of expanding crop cultivation, competition from spreading alien invasive plants, and habitat degradation as a result of overgrazing. |
Population |
Known from only a few subpopulations (Goldblatt and Manning 2011).
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Ixia longituba N.E.Br. subsp. macrosiphon Goldblatt & J.C.Manning | EN B1ab(iii)+2ab(iii) | 2013.1 | |
Bibliography |
Goldblatt, P. and Manning, J.C. 2011. Systematics of the southern African genus Ixia (Iridaceae). 3. Sections Hyalis and Morphixia. Bothalia 41(1):83-134.
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Citation |
| von Staden, L. 2012. Ixia longituba N.E.Br. subsp. macrosiphon Goldblatt & J.C.Manning. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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