Taxonomy
Scientific Name
Willdenowia rugosa Esterh.
Higher Classification
Monocotyledons
Family
RESTIONACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2007/04/11
Assessor(s)
H.P. Linder, D. Raimondo & P.A. Manyama
Justification
A very narrow endemic (EOO 180 km²), known from three locations. Although the area is well protected, the species might be vulnerable to an inappropriate fire regime and groundwater extraction.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Kogelberg.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Kogelberg Sandstone Fynbos
Description
Coarse sands that are seasonally damp, 300-600 m.
Threats
Potentially threatened by too frequent fire. This species is a reseeder and the area where it occurs has burnt three times within 10 years. It is also potentially threatened by groundwater extraction, which may cause seasonally damp seepage areas to decrease.
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Willdenowia rugosa Esterh.VU D2Raimondo 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.


Linder, H.P. 1985. Conspectus of the African species of Restionaceae. Bothalia 15(3&4):387-503.


Linder, H.P. 2011. The African Restionaceae: an Interactive Key identification and description system. Version 6. http://www.systbot.uzh.ch/Bestimmungsschluessel/Restionaceae_en.html. Downloaded.


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
Linder, H.P., Raimondo, D. & Manyama, P.A. 2007. Willdenowia rugosa Esterh. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2024/02/23

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Distribution map


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