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Scientific Name | Gladiolus ceresianus L.Bolus |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2018/09/27 |
Assessor(s) | L. von Staden |
Justification | Gladiolus ceresianus is a widespread species that is not in danger of extinction. It has an extent of occurrence (EOO) of 23 312 km², and is listed as Least Concern. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape, Western Cape |
Range | This species is endemic to South Africa, and occurs from the Koue Bokkeveld and Roggeveld Escarpment southwards to the Klein Roggeveld and Matjiesfontein. An outlying subpopulation occurs at the Hol River near Vredendal. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Central Mountain Shale Renosterveld, Kouebokkeveld Shale Fynbos, Roggeveld Karoo, Knersvlakte Quartz Vygieveld, Matjiesfontein Shale Renosterveld, Ceres Shale Renosterveld, Roggeveld Shale Renosterveld |
Description | It occurs on rocky slopes and flats with clay ground. |
Threats |
| About 20% of this species' habitat has been lost to agriculture, predominantly vineyards and orchards in the Koue Bokkeveld, but land cover data show no significant ongoing loss of habitat. Collections from fallow crop fields near Vredendal indicate that it is able to recolonise disturbed areas. |
Population |
Gladiolus ceresianus is a widespread species occurring in small, scattered subpopulations. The population is not suspected to be declining.
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Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Gladiolus ceresianus L.Bolus | Least Concern | Raimondo et al. (2009) | |
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.
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 |
| von Staden, L. 2018. Gladiolus ceresianus L.Bolus. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13 |
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