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Ruschia schollii

Scientific Name
Ruschia schollii (Salm-Dyck) Schwantes
Higher Classification
Mesembryanthemum aduncum Jacq. (later homonym), not of Haw. (1803), nor Willd, (1809), Mesembryanthemum recurvum Haw. (later homonym), not of Moench (1802), Mesembryanthemum schollii Salm-Dyck, Mesembryanthemum schollii Salm-Dyck var. caledonicum L.Bolus, Ruschia schollii (Salm-Dyck) Schwantes var. caledonica (L.Bolus) Schwantes
National Status
Status and Criteria
Endangered B1ab(i,ii,iii,iv,v)
Assessment Date
N.A. Helme & L. von Staden
EOO 4794 km², about 10 small, severely fragmented remaining subpopulations continue to decline due to ongoing habitat loss and degradation.
South African endemic
Provincial distribution
Western Cape
Malmesbury to Caledon.
Habitat and Ecology
Major system
Major habitats
Swartland Granite Renosterveld, Boland Granite Fynbos, Breede Shale Renosterveld, Western Rûens Shale Renosterveld, Swartland Silcrete Renosterveld, Greyton Shale Fynbos, Elim Ferricrete Fynbos, Breede Sand Fynbos
Lowland shale and granite-derived soils.
This species has lost more than 80% of its habitat to crop cultivation. It has also declined due to habitat loss to urban expansion around Durbanville, Kuilsrivier, Stellenbosch and Somerset West, and loss is ongoing. Small remaining renosterveld fragments on agricultural land are often overstocked with livestock, and most remaining subpopulations are threatened by ongoing habitat degradation due to overgrazing. A number of subpopulations are also threatened by competition from dense, unmanaged alien invasive plants.

This species' population has been fragmented by extensive habitat loss. About 10 subpopulations remain, and most of these occur on small, isolated fragments, and at least three on sites so degraded, they are unlikely to survive in the long term. Most subpopulations are very small, consisting of about 50 to 100 plants (N.A. Helme pers. comm.).

Population trend
Helme, N.A. & von Staden, L. 2016. Ruschia schollii (Salm-Dyck) Schwantes. 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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