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Scientific Name | Haworthia aristata Haw. |
Higher Classification | Monocotyledons |
Family | ASPHODELACEAE |
Synonyms | Aloe denticulata (Haw.) Schult. & J.H.Schult., Haworthia denticulata Haw., Haworthia lapis Breuer & M.Hayashi, Haworthia rava M.Hayashi (invalidly published), Haworthia setata Haw. var. subinermis Poelln. |
National Status |
Status and Criteria | Endangered B1ab(i,ii,iii,iv,v) |
Assessment Date | 2007/04/17 |
Assessor(s) | J.H. Vlok & D. Raimondo |
Justification | EOO 1000 km², known from four locations. There is ongoing degradation of habitat throughout its range as a result of livestock grazing. There is further destruction of habitat due to urban expansion and mining (rock quarrying) in the southern part of the range. Collecting for horticultural purposes poses an additional pressure on mature individuals. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Eastern Cape |
Range | Port Elizabeth to Kommadagga. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Saltaire Karroid Thicket, Koedoeskloof Karroid Thicket, Doubledrift Karroid Thicket |
Description | Thicket mosaics. |
Threats |
Threatened by ongoing habitat loss and degradation due to overgrazing, urban expansion and quarrying. Collecting for horticultural purposes poses an additional pressure on mature individuals. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Haworthia aristata Haw. | EN B1ab(i,ii,iii,iv,v) | Raimondo et al. (2009) | |
Bibliography |
Bayer, M.B. 1999. Haworthia Revisited: A revision of the genus. Umdaus Press, Hatfield.
Bayer, M.B. and Manning, J.C. 2012 (Updated online 2013). The Haworthia nomenclator: A list of accepted species with some guidelines for infraspecific names. Haworthia Update 7(4):30-40.
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 |
Vlok, J.H. & Raimondo, D. 2007. Haworthia aristata Haw. National Assessment: Red List of South African Plants version . Accessed on 2025/04/13 |