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Scientific Name | Lachenalia mediana Jacq. subsp. rogersii (Baker) G.D.Duncan |
Higher Classification | Monocotyledons |
Family | HYACINTHACEAE |
Synonyms | Lachenalia mediana Jacq. var. rogersii (Baker) W.F.Barker, Lachenalia unifolia Jacq. var. rogersii Baker |
National Status |
Status and Criteria | Endangered B1ab(ii,iii,v) |
Assessment Date | 2019/11/01 |
Assessor(s) | D. Raimondo & N.A. Helme |
Justification | EOO 1700 km², known from four locations. Severely threatened by wheat cultivation, livestock overgrazing and invasion by alien annual grasses. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Wellington to Porterville and Tulbagh. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Swartland Shale Renosterveld, Breede Shale Renosterveld, Swartland Alluvium Fynbos, Breede Alluvium Fynbos |
Description | Renosterveld on clay flats. |
Threats |
| Invasive Alien Species (direct effects), Habitat loss, Habitat degradation, Pollution (affecting habitat and/or species) |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Lachenalia mediana Jacq. var. rogersii (Baker) W.F.Barker | EN B1ab(ii,iii,v) | Raimondo et al. (2009) | |
Bibliography |
Barker, W.F. 1989. New taxa and nomenclatural changes in Lachenalia (Liliaceae - Hyacinthoideae) from the Cape Province. South African Journal of Botany 55(6):630-646.
Duncan, G.D. 1988. Lachenalia handbook. Annals of Kirstenbosch Botanic Garden 17:1-71.
Duncan, G.D. 2012. The genus Lachenalia. Kew Publishing, Royal Botanic Gardens, Kew.
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.
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Citation |
| Raimondo, D. & Helme, N.A. 2019. Lachenalia mediana Jacq. subsp. rogersii (Baker) G.D.Duncan. National Assessment: Red List of South African Plants version . Accessed on 2025/04/23 |
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