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Delosperma sphalmanthoides

Taxonomy
Scientific Name
Delosperma sphalmanthoides S.A.Hammer
Higher Classification
Dicotyledons
Family
AIZOACEAE
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2016/11/29
Assessor(s)
L. von Staden
Justification
A rare, localized habitat specialist (EOO 56 km²), known from two to three locations and potentially threatened by habitat degradation due to overstocking of rangelands for livestock.
Distribution
Endemism
South African endemic
Provincial distribution
Northern Cape
Range
Roggeveld Escarpment near Sutherland.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Roggeveld Shale Renosterveld
Description
Shallow soils over shale rocks, 1 500-1 600 m.
Threats
This species' preference for shallow soils on rock sheets provides it protection against habitat loss to crop cultivation, as its habitat is not suitable to ploughing. It is however vulnerable to grazing and trampling by livestock. Parts of the Roggeveld Escarpment is degraded due to overgrazing, and this species could potentially decline, should grazing pressure on its habitat increase.
Population

Delosperma sphalmanthoides is a rare and localized habitat specialist. It is known from two to three subpopulations within a very small area, but the population is not suspected to be declining.


Population trend
Stable
Notes
Delosperma sphalmanthoides is a most unusual and distinctive species. Hammer (2006) suggests that it may not belong in Delosperma, but does not propose an alternative genus.
Citation
von Staden, L. 2016. Delosperma sphalmanthoides S.A.Hammer. National Assessment: Red List of South African Plants version 2017.1. Accessed on 2019/12/11

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Distribution map


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