Lachenalia verticillata

Taxonomy
Scientific Name
Lachenalia verticillata W.F.Barker
Higher Classification
Monocotyledons
Family
HYACINTHACEAE
National Status
Status and Criteria
Vulnerable B1ab(iii,v)
Assessment Date
2015/05/20
Assessor(s)
D. Raimondo & G.D. Duncan
Justification
This species has an EOO 4590 km², occurs at an estimated 5-10 locations, and is declining due to ongoing habitat degradation as a result of overgrazing.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
Richtersveld, northern Namaqualand and western Bushmanland near Vaalputs.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Namaqualand Blomveld, Central Richtersveld Mountain Shrubland, Namaqualand Klipkoppe Shrubland
Description
Stony, well-drained red sand.
Threats
Overstocking of rangelands with livestock is a severe, ongoing threat to many plant species in the Richtersveld, and has led to a loss of shrub cover, species diversity, and soil erosion in degradation in areas such as the Gariep Valley east of Alexander Bay, the plains around Eksteenfontein as well as around Steinkopf.
Population

This species occurs as single individuals or in small, widely scattered groups of plants. It is known from five locations, and is a very rare species (Duncan 2012), but some parts of its range is also in very remote areas that remains botanically poorly explored, and it is possible that more subpopulations exist.


Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Lachenalia verticillata W.F.BarkerVU B1ab(iii,v)2015.1
Lachenalia verticillata W.F.BarkerRare Raimondo et al. (2009)
Lachenalia verticillata W.F.BarkerRare Hilton-Taylor (1996)
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.


Duncan, G.D., Edwards, T.J. and Anderson, F. 2005. Lachenalia verticillata. Flowering Plants of Africa 59:8-12.


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


Hilton-Taylor, C. Unpublished. Succulent Karoo Red Data List (version 1997 - in preparation). SANBI.


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.


Snijman, D.A. 2013. Plants of the Greater Cape Floristic Region 2: The extra Cape flora. Strelitzia 30. South African National Biodiversity Institute, Pretoria.


Citation
Raimondo, D. & Duncan, G.D. 2015. Lachenalia verticillata W.F.Barker. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/08/22

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Distribution map


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