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Drosanthemum tuberculiferum

Taxonomy
Scientific Name
Drosanthemum tuberculiferum L.Bolus
Higher Classification
Dicotyledons
Family
AIZOACEAE
National Status
Status and Criteria
Endangered B1ab(i,ii,iii,iv,v)+2ab(i,ii,iii,iv,v)
Assessment Date
2015/12/14
Assessor(s)
L. von Staden
Justification
A range-restricted species (EOO 273 km²), known from three locations and declining due to ongoing habitat loss to urban and agricultural expansion.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Worcester to Robertson.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Robertson Karoo
Description
Open karroid veld on gravelly loam.
Threats
Threatened by ongoing habitat loss to urban expansion around Worcester. Further east towards Robertson, much of this species' habitat has already been converted to vineyards, and loss to further agricultural expansion continues.
Population

This species is known from only three locations, but Vlok and Schutte-Vlok (2010) suggest that it may be more common, and somewhat tolerant of disturbance. Field surveys are likely to reveal more unrecorded subpopulations.


Population trend
Decreasing
Citation
von Staden, L. 2015. Drosanthemum tuberculiferum L.Bolus. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/12/06

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Distribution map


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