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Scientific Name | Pelargonium chelidonium (Houtt.) DC. |
Higher Classification | Dicotyledons |
Family | GERANIACEAE |
Synonyms | Pelargonium bijugum (Eckl. & Zeyh.) Steud., Pelargonium ficaria Willd., Pelargonium meyeri Harv., Pelargonium revolutum (Andrews) Pers., Pelargonium trilobum (Thunb.) DC. |
National Status |
Status and Criteria | Endangered A2c; B1ab(i,ii,iii,iv,v) |
Assessment Date | 2012/12/19 |
Assessor(s) | N.A. Helme, D. Raimondo & L. von Staden |
Justification | A population reduction of between 60 and 80% is estimated based on 80% habitat loss to agricultural expansion in the past 90 years (generation length 30 years). The population has been severely fragmented, and remains at between six and 10 locations within an EOO of 2256 km². |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | Clanwilliam to Vredenburg and Wolseley. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Swartland Shale Renosterveld, Breede Shale Renosterveld, Breede Shale Fynbos, Swartland Alluvium Fynbos, Breede Alluvium Fynbos |
Description | Renosterveld, clay flats. |
Threats |
Agricultural expansion has resulted in the loss of 80% of this species' habitat within the past 90 years, and loss is continuing. Recent records of this species are from small, isolated fragments of natural vegetation, which continues to be lost and degraded due to a lack of fire, competition from alien invasive plants, and overgrazing. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Pelargonium chelidonium (Houtt.) DC. | EN A2ac; B1ab(ii,iii,v) | 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.
Marais, E.M. 1994. Taxonomic studies in Pelargonium, section Hoarea (Geraniaceae). Unpublished Ph.D. Thesis, University of Stellenbosch, Stellenbosch.
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 |
Helme, N.A., Raimondo, D. & von Staden, L. 2012. Pelargonium chelidonium (Houtt.) DC. National Assessment: Red List of South African Plants version . Accessed on 2025/05/09 |