Taxonomy
Scientific Name
Drosanthemum lavisii L.Bolus
Higher Classification
Dicotyledons
Family
AIZOACEAE
National Status
Status and Criteria
Endangered B1ab(ii,iii,iv,v); C2a(i)
Assessment Date
2006/08/08
Assessor(s)
C. Klak, N.A. Helme & D. Raimondo
Justification
EOO<5000 km², 13 small, severely fragmented subpopulations are declining due to crop cultivation and alien plant invasion. Subpopulations typically consist of fewer than 30 mature individuals and the total population is suspected to be around 500 mature individuals.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Montagu, Bredasdorp to Albertinia.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Western Little Karoo, Montagu Shale Renosterveld, Eastern Ruens Shale Renosterveld, Western Ruens Shale Renosterveld, Potberg Sandstone Fynbos, South Langeberg Sandstone Fynbos, North Langeberg Sandstone Fynbos, Canca Limestone Fynbos, Potberg Ferricrete Fynbos, Cape Lowland Alluvial Vegetation, Hartenbos Dune Thicket
Description
Ecotone between fynbos and renosterveld, 150-200 m.
Threats
Threats to this species include agriculture and invasive alien species around Resiesbaan and in the Riversdale area.
Population
Population trend
Decreasing
Conservation
Not currently conserved in any formally protected area.
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Drosanthemum lavisii L.BolusEN B1ab(ii,iii,iv,v); C2a(i)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.


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
Klak, C., Helme, N.A. & Raimondo, D. 2006. Drosanthemum lavisii L.Bolus. National Assessment: Red List of South African Plants version . Accessed on 2024/06/14

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Distribution map

© C. Paterson-Jones

© J.H. Vlok/A.L. Schutte-Vlok

© J.H. Vlok/A.L. Schutte-Vlok


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