|
Scientific Name | Gladiolus engysiphon G.J.Lewis |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
National Status |
Status and Criteria | Vulnerable B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v) |
Assessment Date | 2006/07/25 |
Assessor(s) | P. Goldblatt & D. Raimondo |
Justification | EOO<800 km², known from less than 10 locations. It has lost over 80% of its habitat to crop cultivation. Declining due to alien plant invasion and livestock grazing and trampling. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Lower foothills of the Langeberg Mountains. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | South Langeberg Sandstone Fynbos, Garden Route Granite Fynbos, Swellendam Silcrete Fynbos, Cape Lowland Alluvial Vegetation |
Description | Clay loam at the interface of shale and sandstone strata. |
Threats |
| Habitat loss, Invasive Alien Species (direct effects), Habitat degradation |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Gladiolus engysiphon G.J.Lewis | VU B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v) | Raimondo et al. (2009) | | Gladiolus engysiphon G.J.Lewis | Rare | Hilton-Taylor (1996) | | Gladiolus engysiphon G.J.Lewis | 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.
Lewis, G.J., Obermeyer, A.A. and Barnard, T.T. 1972. Gladiolus: a revision of the South African species. Journal of South African Botany Supplement 10:1-316. Purnell, 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.
|
Citation |
| Goldblatt, P. & Raimondo, D. 2006. Gladiolus engysiphon G.J.Lewis. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13 |
Comment on this assessment
