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Scientific Name | Ferraria divaricata Sweet |
Higher Classification | Monocotyledons |
Family | IRIDACEAE |
Synonyms | Ferraria divaricata in sense of M.P.de Vos, not of Sweet (misapplied name) subsp. arenosa M.P.de Vos |
Common Names | Geel Spinnekopblom (a) |
National Status |
Status and Criteria | Least Concern |
Assessment Date | 2012/10/17 |
Assessor(s) | L. von Staden |
Justification | A widespread species (EOO 25 148 km²) declining on sandy lowland flats predominantly in the southern part of its range, however it is not yet in danger of extinction. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape, Western Cape |
Range | Namaqualand, Komaggas to the Cape Flats, and extending inland at Vanrhynsdorp and Piketberg. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Fynbos, Succulent Karoo |
Description | Deep sandy flats as well as stony sandstone slopes. |
Threats |
Threatened by habitat loss to rapidly expanding agriculture in the Sandveld, competition from dense infestations of alien invasive plants on the Cape Flats and around Mamre-Atlantis, and urban and coastal development on the Cape Flats and along the Cape West Coast. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Ferraria divaricata Sweet | Least Concern | Raimondo et al. (2009) | Ferraria divaricata Sweet subsp. arenosa M.P.de Vos | Not Threatened | Hilton-Taylor (1996) | Ferraria divaricata subsp. arenosa M.P.de Vos | Indeterminate | Hall et al. (1980) | |
Bibliography |
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.
Goldblatt, P. and Manning, J.C. 2011. Systematics and biology of the African genus Ferraria (Iridaceae: Irideae). Bothalia 41(1):1-40.
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.
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 |
von Staden, L. 2012. Ferraria divaricata Sweet. National Assessment: Red List of South African Plants version . Accessed on 2025/06/01 |