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Scientific Name | Cephalaria decurrens (Thunb.) Roem. & Schult. |
Higher Classification | Dicotyledons |
Family | DIPSACACEAE |
Synonyms | Cephalaria attenuata (L.f.) Roem. & Schult. var. decurrens (Thunb.) Kuntze, Cephalaria ustulata (Thunb.) Roem. & Schult., Scabiosa decurrens Thunb., Scabiosa ustulata Thunb., Succisa decurrens (Thunb.) Spreng., Succisa ustulata (Thunb.) Spreng. |
National Status |
Status and Criteria | Rare |
Assessment Date | 2015/04/18 |
Assessor(s) | N.A. Helme, D. Raimondo & L. von Staden |
Justification | A rare and localized species known from two subpopulations, but not threatened. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Northern Cape, Western Cape |
Range | Bokkeveld Escarpment, from Nieuwoudtville to Koebee. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Nieuwoudtville Shale Renosterveld, Vanrhynsdorp Shale Renosterveld |
Description | Thin shale bands on cool, south-facing sandstone slopes, often near streams, and tillite soils in renosterveld on flats. |
Threats |
| Parts of this species' habitat has been lost to crop cultivation, but this is not an ongoing threat. One subpopulation on the Bokkeveld Escarpment is within a formally protected area, while the other subpopulation in the Koebee Valley is under no immediate threat. |
Population |
Population trend | Stable |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Cephalaria decurrens (Thunb.) Roem. & Schult. | Rare | Raimondo et al. (2009) | | Cephalaria decurrens (Thunb.) Roem. & Schult. | Data Deficient | Victor (2002) | |
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.
Manning, J.C., Goldblatt, P. and Johns, A. 2014. A taxonomic review of Cephalaria (Dipsacaceae) in the Cape Floristic Region. South African Journal of Botany 94:195-203.
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.
Victor, J.E. 2002. South Africa. In: J.S. Golding (ed), Southern African plant Red Data Lists. Southern African Botanical Diversity Network Report 14 (pp. 93-120), SABONET, Pretoria.
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Citation |
| Helme, N.A., Raimondo, D. & von Staden, L. 2015. Cephalaria decurrens (Thunb.) Roem. & Schult. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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