Taxonomy
Scientific Name
Athanasia crenata (L.) L.
Higher Classification
Dicotyledons
Family
ASTERACEAE
Synonyms
Athanasia ebracteata E.Mey. ex DC., Athanasia flexuosa Thunb. var. oligocephala DC., Athanasia oligocephala (DC.) Harv., Athanasia oligocephala (DC.) Harv. var. hirsuta (DC.) Harv., Eclopes centauroides (L.) DC., Relhania centauroides (L.) Harv., Santolina crenata L., Staehelina centauroides L.
National Status
Status and Criteria
Endangered B1ab(ii,iii,iv)
Assessment Date
2007/09/15
Assessor(s)
N.A. Helme & D. Raimondo
Justification
A Swartland endemic (EOO 3100 km²) that has lost 94% of its habitat to crop cultivation and urban expansion. All remaining subpopulations are small and occur on remnant fragments that are isolated from one another and are declining due to alien plant invasion and ongoing expansion of urban areas and agricultural lands.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Piketberg to Drakenstein Mountains.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Swartland Shale Renosterveld, Breede Shale Renosterveld, Swartland Silcrete Renosterveld, Piketberg Sandstone Fynbos, Atlantis Sand Fynbos, Swartland Alluvium Fynbos, Breede Alluvium Fynbos
Description
Renosterveld, clay flats and slopes.
Threats
Invasive Alien Species (direct effects), Harvesting [gathering], Habitat degradation, Habitat loss
Population
Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Athanasia crenata (L.) L.EN B1ab(ii,iii,iv)Raimondo et al. (2009)
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.


Källersjo, M. 1991. The genus Athanasia (Compositae - Anthemideae). Opera Botanica 106:1-75.


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.


Citation
Helme, N.A. & Raimondo, D. 2007. Athanasia crenata (L.) L. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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Distribution map

© N.A. Helme

© I. Ebrahim

© I. Ebrahim

© I. Ebrahim


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