| Scientific Name | Pentameris bachmannii (McClean) Galley & H.P.Linder | Higher Classification | Monocotyledons | Family | POACEAE | Synonyms | Agrostis curvifolia Hack., Eriachne ecklonii Nees, Pentaschistis bachmannii McClean, Pentaschistis ecklonii (Nees) McClean |
National Status | Status and Criteria | Endangered B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v) | Assessment Date | 2007/05/18 | Assessor(s) | D. Raimondo & N.A. Helme | Justification | EOO 3445 km², AOO less than 3 km², a lowland species that only occurs on seasonally waterlogged areas, 75% of known locations have gone extinct due to urban development and crop cultivation, this species remains extant at only five locations where it is threatened by invasive alien plants, and continuing urban and agricultural expansion. |
Distribution | Endemism | South African endemic | Provincial distribution | Western Cape | Range | Malmesbury and Wellington to Somerset West. |
Habitat and Ecology | Major system | Terrestrial | Major habitats | Swartland Granite Renosterveld, Boland Granite Fynbos, Hangklip Sand Fynbos, Cape Flats Sand Fynbos, Atlantis Sand Fynbos, Lourensford Alluvium Fynbos, Swartland Alluvium Fynbos, Breede Alluvium Fynbos | Description | Seasonally waterlogged sands and shales on lowlands. |
Threats | This species' habitat has been extensively transformed and fragmented due to agricultural and urban expansion, and loss is ongoing. In addition, remaining subpopulations are threatened by competition from alien invasive plants. |
Population | An Cape Flats endemic which was frequently collected in the 1800s and early 1900s, but is now very rare.
| Population trend | Decreasing |
Assessment History |
Taxon assessed |
Status and Criteria |
Citation/Red List version | Pentaschistis ecklonii (Nees) McClean | EN B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v) | 2012.1 | Pentaschistis ecklonii (Nees) McClean | EN B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v) | Raimondo et al. (2009) | Pentaschistis ecklonii (Nees) McClean | Indeterminate | Hilton-Taylor (1996) | |
Bibliography | Gibbs Russell, G.E., Watson, L., Koekemoer, M., Smook, L., Barker, N.P., Anderson, H.M. and Dallwitz, M.J. 1990. Grasses of southern Africa. Memoirs of the Botanical Survey of South Africa 58:1-437. Botanical Research Institute, Pretoria.
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.
Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.
Linder, H.P. and Ellis, R.P. 1990. A revision of Pentaschistis (Arundineae: Poaceae). Contributions from the Bolus Herbarium 12:1-124.
Linder, H.P., Baeza, M., Barker, N.P., Galley, C., Humphreys, A.M., Lloyd, K.M., Orlovich, D.A., Pirie, M.D., Simon, B.K., Walsh, N. and Verboom, G.A. 2010. A generic classification of the Danthonioideae (Poaceae). Annals of the Missouri Botanical Garden 97(3):306-364.
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 | Raimondo, D. & Helme, N.A. 2007. Pentameris bachmannii (McClean) Galley & H.P.Linder. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14 |
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