Lachenalia haarlemensis

Taxonomy
Scientific Name
Lachenalia haarlemensis Fourc.
Higher Classification
Monocotyledons
Family
HYACINTHACEAE
National Status
Status and Criteria
Vulnerable B1ab(ii,iii,iv,v); C1
Assessment Date
2006/11/30
Assessor(s)
J.H. Vlok & D. Raimondo
Justification
EOO 3000 km², known from less than 10 locations. Declining due to crop cultivation taking place on the deep loam soils on which this species occurs. Subpopulations are small and the total number of individuals is not more than 10 000. There has been a 10% decline in the population over the past 10 years due to crop cultivation.
Distribution
Endemism
South African endemic
Provincial distribution
Eastern Cape, Western Cape
Range
Ladismith to Riversdale and Willowmore.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Montagu Shale Renosterveld, Langkloof Shale Renosterveld, Uniondale Shale Renosterveld, Eastern Rûens Shale Renosterveld, North Kammanassie Sandstone Fynbos, Kango Limestone Renosterveld, Swellendam Silcrete Fynbos
Description
Deep loamy or stony soils on flats and south-facing lower slopes.
Threats
Habitat loss
Population
Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Lachenalia haarlemensis Fourc.VU B1ab(ii,iii,iv,v); C1Raimondo et al. (2009)
Lachenalia haarlemensis Fourc.Indeterminate Hilton-Taylor (1996)
Lachenalia haarlemensis Fourc.Indeterminate Hall et al. (1980)
Bibliography

Duncan, G.D. 1988. Lachenalia handbook. Annals of Kirstenbosch Botanic Garden 17:1-71.


Duncan, G.D. 2012. The genus Lachenalia. Kew Publishing, Royal Botanic Gardens, Kew.


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.


Victor, J.E. and Dold, A.P. 2003. Threatened plants of the Albany Centre of Floristic Endemism, South Africa. South African Journal of Science 99:437-446.


Vlok, J. and Schutte-Vlok, A.L. 2010. Plants of the Klein Karoo. Umdaus Press, Hatfield.


Citation
Vlok, J.H. & Raimondo, D. 2006. Lachenalia haarlemensis Fourc. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/05/26

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Distribution map

© J.H. Vlok/A.L. Schutte-Vlok


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