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Scientific Name | Gladiolus leptosiphon F.Bolus |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Synonyms | Radinosiphon leptosiphon (F.Bolus) N.E.Br. |
National Status |
Status and Criteria | Vulnerable C2a(i) |
Assessment Date | 2007/06/20 |
Assessor(s) | J.H. Vlok, A.L. Schutte-Vlok & D. Raimondo |
Justification | EOO <5000 km², known from fewer than 20 subpopulations all with fewer than 50 mature individuals. The total population is suspected to have fewer than 10 000 individuals. It has lost habitat to crop cultivation and is declining due to livestock and ostrich grazing and trampling. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Eastern Cape, Western Cape |
Range | Swartberg to Baviaanskloof Mountains. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Eastern Little Karoo, Uniondale Shale Renosterveld, Kango Limestone Renosterveld, Kango Conglomerate Fynbos, Kouga Grassy Sandstone Fynbos, South Swartberg Sandstone Fynbos |
Description | Occurs on stony hills and low mountain slopes in renosterveld or arid fynbos. |
Threats |
Threatened by ongoing habitat loss to agricultural expansion, particularly ostrich farming but also crop cultivation. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Gladiolus leptosiphon F.Bolus | VU C2a(i) | Raimondo et al. (2009) | Gladiolus leptosiphon F.Bolus | Rare | Hilton-Taylor (1996) | Gladiolus leptosiphon F.Bolus | Uncertain | Hall et al. (1980) | |
Bibliography |
Goldblatt, P. and Manning, J.C. 1998. Gladiolus in southern Africa. Fernwood Press, Vlaeberg.
Goldblatt, P. and Manning, J.C. 2000. Cape Plants: A conspectus of the Cape Flora of South Africa. Strelitzia 9. National Botanical Institute, Cape Town.
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.
Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.
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Citation |
Vlok, J.H., Schutte-Vlok, A.L. & Raimondo, D. 2007. Gladiolus leptosiphon F.Bolus. National Assessment: Red List of South African Plants version . Accessed on 2025/07/01 |