Taxonomy
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.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape, Western Cape
Range
This species occurs from the Koue Bokkeveld and Roggeveld Escarpment southwards to the Klein Roggeveld and Matjiesfontein. An outlying population 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

This is a widespread species occurring in small, scattered subpopulations. The population is not suspected to be declining.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Gladiolus ceresianus L.BolusLeast 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.


Citation
von Staden, L. 2018. Gladiolus ceresianus L.Bolus. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2021/09/26

Comment on this assessment Comment on this assessment
Distribution map

© J.H. Vlok/A.L. Schutte-Vlok

© J.H. Vlok/A.L. Schutte-Vlok


Search for images of Gladiolus ceresianus on iNaturalist