Taxonomy
Scientific Name
Eriospermum crispum P.L.Perry
Higher Classification
Monocotyledons
Family
RUSCACEAE
National Status
Status and Criteria
Vulnerable A2c; C1
Assessment Date
2009/08/01
Assessor(s)
J.H. Vlok & D. Raimondo
Justification
Restricted to the Calitzdorp area, where there is ongoing degradation and fragmentation of its habitat as a result of ostrich farming. There are fewer than 10 000 plants as subpopulations consist of very few plants each. There has been an estimated 30% decline in the population over the past 100 years (generation length suspected to be 50 years for this very slow growing geophytic species).
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Calitzdorp.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Eastern Little Karoo
Description
Eastern Little Karoo on clay soils derived from shale.
Threats
Habitat loss and degradation as a result of ostrich farming. Ostriches are generally kept in high concentrations which cause the complete destruction of natural vegetation. In addition, at least 30% of this species' habitat has already been lost to crop cultivation, and 49% is severely grazed.
Population
Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Eriospermum crispum P.L.PerryVU A2c; C1Raimondo et al. (2009)
Eriospermum crispum P.L.PerryRare Hilton-Taylor (1996)
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.


Hilton-Taylor, C. 1996. Red data list of southern African plants. Strelitzia 4. South African National Botanical Institute, Pretoria.


Perry, P.L. 1994. A revision of the genus Eriospermum (Eriospermaceae) Contributions from the Bolus Herbarium 17:1-320.


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
Vlok, J.H. & Raimondo, D. 2009. Eriospermum crispum P.L.Perry. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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Distribution map

© J.H. Vlok/A.L. Schutte-Vlok

© J.H. Vlok/A.L. Schutte-Vlok


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