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Scientific Name | Othonna intermedia Compton |
Higher Classification | Dicotyledons |
Family | ASTERACEAE |
National Status |
Status and Criteria | Near Threatened B1b(i,ii,iii,iv,v) |
Assessment Date | 2014/09/29 |
Assessor(s) | D. van der Colff, N.A. Helme & L. von Staden |
Justification | EOO 6914 km², occurring at 15-20 locations and declining in places due to habitat loss to mining and urban and agricultural expansion. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape, Western Cape |
Range | Kotzesrus to Loeriesfontein and Vredendal. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Namaqualand Inland Duneveld, Namaqualand Heuweltjie Strandveld, Namaqualand Heuweltjieveld, Knersvlakte Quartz Vygieveld, Central Knersvlakte Vygieveld, Southern Namaqualand Quartzite Klipkoppe Shrubland, Namaqualand Riviere |
Description | Quartz flats. |
Threats |
This species is threatened by urban and agricultural expansion, habitat loss to mining and possibly collection by succulent collectors (N.A. Helme pers. comm. 2014). |
Population |
This species is very common on quartz flats on the Knersvlakte north of Vanrhynsdorp.
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Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Othonna intermedia Compton | NT B1b(i,ii,iii,iv,v) | 2015.1 | Othonna intermedia Compton | Threatened | Raimondo et al. (2009) | |
Bibliography |
Compton, R.H. 1949. Plantae Novae Africanae: Othonna intermedia. Journal of South African Botany 15:108-110.
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.
Snijman, D.A. 2013. Plants of the Greater Cape Floristic Region 2: The extra Cape flora. Strelitzia 30. South African National Biodiversity Institute, Pretoria.
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Citation |
van der Colff, D., Helme, N.A. & von Staden, L. 2014. Othonna intermedia Compton. National Assessment: Red List of South African Plants version . Accessed on 2025/05/24 |