Taxonomy
Scientific Name
Pentameris pholiuroides (Stapf) Galley & H.P.Linder
Higher Classification
Monocotyledons
Family
POACEAE
Synonyms
Prionanthium pholiuroides Stapf
National Status
Status and Criteria
Endangered B1ab(ii,iii,iv,v)
Assessment Date
2007/02/15
Assessor(s)
N.A. Helme & D. Raimondo
Justification
EOO 4000 km², this species has lost over 80% of its habitat to wheat and vineyard cultivation over the past 100 years. Extant at only four locations it is declining due to invasive alien plants, crop cultivation and urban development.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Malmesbury to Struisbaai.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Swartland Granite Renosterveld, Boland Granite Fynbos, Elim Ferricrete Fynbos, Agulhas Sand Fynbos, Hangklip Sand Fynbos, Cape Flats Sand Fynbos, Atlantis Sand Fynbos
Description
Sands overlaying shales, seasonally waterlogged.
Threats
Only small fragments of this species' habitat remains after more than 80% has been lost to wheat and vineyard cultivation. Remaining subpopulations are threatened by ongoing habitat loss to agricultural expansion and urban development, as well as competition from alien invasive plants.
Population
Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Prionanthium pholiuroides StapfEN B1ab(ii,iii,iv,v)2012.1
Prionanthium pholiuroides StapfEN B1ab(ii,iii,iv,v)Raimondo et al. (2009)
Prionanthium pholiuroides StapfVulnerable Hilton-Taylor (1996)
Prionanthium pholiuroides StapfEndangered Hall et al. (1980)
Bibliography

Davidse, G. 1988. A revision of the genus Prionanthium (Poaceae: Arundinae). Bothalia 18:143-153.


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.


Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.


Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.


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.


Citation
Helme, N.A. & Raimondo, D. 2007. Pentameris pholiuroides (Stapf) Galley & H.P.Linder. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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Distribution map


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