Taxonomy
Scientific Name
Nivenia concinna N.E.Br.
Higher Classification
Monocotyledons
Family
IRIDACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2007/05/10
Assessor(s)
P. Goldblatt, J.C. Manning & D. Raimondo
Justification
Known from one location above Viljoen's Pass near Caledon. Potentially threatened by invasive alien plants.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Groenland Mountains.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Kogelberg Sandstone Fynbos
Description
Rocky soil with root stocks wedged into weathered Cape sandstone.
Threats
Potentially threatened by competition from alien invasive plants spreading into this species' habitat. Invasions are present within 5 km of the only known location and are not being cleared or managed.
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Nivenia concinna N.E.Br.VU D2Raimondo et al. (2009)
Nivenia concinna N.E.Br.Rare Hilton-Taylor (1996)
Nivenia concinna N.E.Br.Indeterminate Hall et al. (1980)
Bibliography

Goldblatt, P. 1993. The woody Iridaceae: Nivenia, Klattia & Witsenia. Timber Press, Portland, Oregon.


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.


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
Goldblatt, P., Manning, J.C. & Raimondo, D. 2007. Nivenia concinna N.E.Br. 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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