Taxonomy
Scientific Name
Babiana angustifolia Sweet
Higher Classification
Monocotyledons
Family
IRIDACEAE
Synonyms
Babiana intermedia L.Bolus, Babiana pulchra (Salisb.) G.J.Lewis
National Status
Status and Criteria
Near Threatened B1b(iii)+2b(iii)
Assessment Date
2021/02/08
Assessor(s)
T. Patel & N.A. Helme
Justification
This species has an extent of occurrence (EOO) of 15 084 km², and an area of occupancy (AOO) of 576 km². It is known from at least 30 locations. It has lost 67% of its habitat to wheat cultivation and urban expansion in the last 30 years, there is ongoing slow continuing loss and degradation of its habitat to these same pressures. This species is listed as Near Threatened as it nearly meets the thresholds for listing as Vulnerable under criterion B.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
It is endemic to the Western Cape in South Africa. It is found from Citrusdal in the north to Somerset West in the south.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Fynbos
Description
It occurs on damp to seasonally wet sandy or loamy flats and lower slopes.
Threats
This species has lost 67% of its habitat (calculated using landcover data in GIS). It is under threat from agriculture, urbanization, fires, harvesting and invasive aliens. This loss is continuing at many of the remaining localities.
Population

It is known from at least 30 remaining extant subpopulations (monitoring data from iNaturalist), and has a generation length suspected to be 10 years. There is not much information available on the overall population numbers of this species.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Babiana angustifolia SweetNT B1ab(iii)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.


Goldblatt, P. and Manning, J.C. 2007. A revision of the southern African genus Babiana, Iridaceae, Crocoideae. Strelitzia 18:1-97. South African National Biodiversity Institute, Pretoria.


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.


Citation
Patel, T. & Helme, N.A. 2021. Babiana angustifolia Sweet. National Assessment: Red List of South African Plants version . Accessed on 2024/10/08

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Distribution map

© C. Paterson-Jones


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