Taxonomy
Scientific Name
Geissorhiza fourcadei (L.Bolus) G.J.Lewis
Higher Classification
Monocotyledons
Family
IRIDACEAE
National Status
Status and Criteria
Least Concern
Assessment Date
2021/09/06
Assessor(s)
D. Raimondo & T. Patel
Justification
This montane species has an extent of occurrence (EOO) of 16 370 km² and an area of occupancy (AOO) of 92 km². It is known from 16 subpopulations, but many more as yet undiscovered subpopulations are likely to exist. With no recorded threats, it is listed as Least Concern.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape, Western Cape
Range
It is widespread but fairly rare in the mountains of southern Western Cape, South Africa. It is found from the Great Swartberg between Swartberg Pass and Meiringspoort, and also on the Kammanassie Mountains and the Outeniqua and Tsitsikamma mountains, from Robinson's Pass to Witte Els Berg.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Fynbos
Description
It occurs in stony sandstone ground, evidently in damp situations, including seeps and stream banks in mountain fynbos.
Threats
It has no known threats; however, some parts of its range continue to be degraded by the spread of alien invasive plants and inappropriate fire management.
Population

The population has a stable trend and is known from between 14 and 16 subpopulations.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Geissorhiza fourcadei (L.Bolus) G.J.LewisLeast Concern Raimondo et al. (2009)
Bibliography

Goldblatt, P. 1985. Systematics of the southern African genus Geissorhiza (Iridaceae-Ixioideae). Annals of the Missouri Botanical Garden 72(2):277-447.


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.


Goldblatt, P. and Manning, J.C. 2020. Iridaceae of southern Africa. Strelitzia 42. South African National Biodiversity Institute, Pretoria.


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.


Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.


Citation
Raimondo, D. & Patel, T. 2021. Geissorhiza fourcadei (L.Bolus) G.J.Lewis. National Assessment: Red List of South African Plants version . Accessed on 2024/09/08

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Distribution map

© D. Turner

© J.H. Vlok/A.L. Schutte-Vlok

© J.H. Vlok/A.L. Schutte-Vlok

© Outramps

© I. Ebrahim


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