Restio verrucosus

Taxonomy
Scientific Name
Restio verrucosus Esterh.
Higher Classification
Monocotyledons
Family
RESTIONACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2015/11/25
Assessor(s)
L. von Staden
Justification
A highly localized habitat specialist (EOO <5 km², AOO <1 km²), known from a single subpopulation that is potentially threatened by competition from alien invasive plants and too frequent fire.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Houw Hoek Mountain above Houw Hoek Station.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Western Coastal Shale Band Vegetation
Description
Marshy ground on shale bands, 450-600 m.
Threats
This species is potentially threatened by too frequent fire, as well as competition from alien invasive pines, which are present in nearby mountain fynbos and is likely to spread if left unmanaged (Linder 2011).
Population

This species is a localized habitat specialist and is known from one subpopulation. The population is currently stable, but may decline if competition from alien invasive plants increase.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Restio verrucosus Esterh.Threatened 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.


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
von Staden, L. 2015. Restio verrucosus Esterh. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/06/25

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Distribution map


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