Taxonomy
Scientific Name
Argyrolobium angustissimum (E.Mey.) T.J.Edwards
Higher Classification
Dicotyledons
Family
FABACEAE
National Status
Status and Criteria
Endangered D
Assessment Date
2011/06/14
Assessor(s)
K. Marais, H. Stummer, I. Ebrahim, D. Raimondo & T.J. Edwards
Justification
Previously listed as possibly extinct in the Red List of South African Plants (Raimondo et al. 2009) as it had not been collected for more than 100 years, despite its only known location, Paarl Mountain, being very well explored. Fortunately, volunteers from the Custodians of Rare and Endangered Wildflowers (CREW) programme relocated this species in late 2009 after a fire on Paarl Mountain. Demographic surveys by CREW volunteers in 2010 indicate very few individuals remain. Sixteen plants were monitored, but the entire population on the mountain is suspected to be less than 250 individuals.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Paarl Mountain.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Boland Granite Fynbos
Description
Granite fynbos.
Threats
No severe threats, this species does appear to require fire for flowering and regeneration, and very long intervals between fires on Paarl Mountain may be impacting on the population.
Population

Only 25 plants were counted during the monitoring surveys conducted by the Custodians of Rare and Endangered Wildflowers (CREW) Programme volunteers in 2010. The species is likely to be more common after a fire, (K. Marais pers. comm.), but even after fire there were still very few individuals that occur sparsely distributed.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Argyrolobium angustissimum (E.Mey.) T.J.EdwardsCritically Endangered (Possibly Extinct) Raimondo et al. (2009)
Argyrolobium angustissimum (E.Mey.) T.J.EdwardsExtinct Hilton-Taylor (1996)
Bibliography

Edwards, T.J. 2005. A synopsis of Argyrolobium (tribe Genisteae, Papilionoideae) in South Africa. South African Journal of Botany 71(3):380-417.


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.


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
Marais, K., Stummer, H., Ebrahim, I., Raimondo, D. & Edwards, T.J. 2011. Argyrolobium angustissimum (E.Mey.) T.J.Edwards. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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Distribution map

© I. Ebrahim

© I. Ebrahim

© I. Ebrahim

© I. Ebrahim


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