Aristea singularis

Taxonomy
Scientific Name
Aristea singularis Weim.
Higher Classification
Monocotyledons
Family
IRIDACEAE
National Status
Status and Criteria
Rare
Assessment Date
2016/10/25
Assessor(s)
P. Goldblatt & L. von Staden
Justification
A rare, range-restricted habitat specialist (EOO 52 km²), but not threatened.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Northern Cederberg.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Cederberg Sandstone Fynbos
Description
Sandstone slopes near streams, in shade.
Threats
There are no severe threats to this species (P. Goldblatt pers. obs.).
Population

Aristea singularis is an unusual, rare, and highly localized habitat specialist. It is known from three subpopulations within a very small area in the vicinity of Pakhuis Pass, in the northern Cederberg. The population is stable.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Aristea singularis Weim.Critically Rare Raimondo et al. (2009)
Aristea singularis Weim.Rare Hilton-Taylor (1996)
Aristea singularis Weim.Uncertain Hall et al. (1980)
Bibliography

Goldblatt, P. 1995. Notes on Aristea Aiton (Iridaceae: Nivenioideae): Taxonomy, Chromosome Cytology, and Phylogeny. Annals of the Missouri Botanical Garden 82(1):139-145.


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.


Manning, J., Goldblatt, P. and Snijman, D. 2002. The color encyclopedia of Cape bulbs. Timber Press, Portland/Cambridge.


Manning, J.C. and Goldblatt, P. 2012. Plants of the Greater Cape Floristic Region 1: The Core Cape Flora. Strelitzia 29. 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.


Weimarck, H. 1940. Monograph of the genus Aristea. Lunds Universitets Arsskrift 2,36,1:1-140. C.W.K. Gleerup, Lund.


Citation
Goldblatt, P. & von Staden, L. 2016. Aristea singularis Weim. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2017/03/27

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Distribution map


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