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Scientific Name | Argyrolobium pachyphyllum Schltr. |
Higher Classification | Dicotyledons |
Family | FABACEAE |
National Status |
Status and Criteria | Endangered A2c; B1ab(iii) |
Assessment Date | 2009/07/29 |
Assessor(s) | T.J. Edwards & D. Raimondo |
Justification | A population reduction of more than 80% is estimated based on >84% habitat loss to wheat cultivation since 1940 (less than three generations of this long-lived resprouter generation length suspected to be 50 years). EOO <4000 km², seven locations are known through herbarium collections, but two are now locally extinct due to agriculture. Remaining subpopulations are declining due to alien plant invasions and overgrazing by livestock. It is therefore assessed as Endangered under criteria A and B. |
Distribution |
Endemism | South African endemic |
Provincial distribution | Western Cape |
Range | This species occurs from Caledon to Greyton, Elim and Potberg. |
Habitat and Ecology |
Major system | Terrestrial |
Major habitats | Eastern Ruens Shale Renosterveld, Central Ruens Shale Renosterveld, Western Ruens Shale Renosterveld, Potberg Sandstone Fynbos, North Langeberg Sandstone Fynbos, South Sonderend Sandstone Fynbos, Overberg Sandstone Fynbos, Greyton Shale Fynbos, Potberg Ferricrete Fynbos, Elim Ferricrete Fynbos, Central Coastal Shale Band Vegetation |
Description | Plants grow in fynbos-renosterveld ecotones below 400 m. |
Threats |
| Agriculture was a severe past threat and over 84% of this species' habitat was transformed since 1940 (less than three generations of this long-lived resprouting species). Two of the four historic locations no longer exist. Alien plants are a severe threat in the Elim area and are a moderate current and future threat at Potberg. Overgrazing by game is a moderate current threat at Potberg. |
Population |
Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | | Argyrolobium pachyphyllum Schltr. | EN A2c; B1ab(iii) | Raimondo et al. (2009) | |
Bibliography |
Edwards, T.J. 2005. A synopsis of Argyrolobium (tribe Genisteae, Papilionoideae) in South Africa. South African Journal of Botany 71(3):380-417.
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.
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 |
| Edwards, T.J. & Raimondo, D. 2009. Argyrolobium pachyphyllum Schltr. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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