Taxonomy
Scientific Name
Erica quadrisulcata L.Bolus
Higher Classification
Dicotyledons
Family
ERICACEAE
National Status
Status and Criteria
Rare
Assessment Date
2023/05/14
Assessor(s)
R.C. Turner
Justification
A range-restricted species occurring as one large, continuous population with an extent of occurrence (EOO) and an area of occupancy (AOO) of 28 km². It has no severe threats, and is therefore not suspected to be in danger of extinction. It is listed as Rare nationally and under IUCN 3.1 criteria as Least Concern.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
This species is restricted to the southern Cape Peninsula mountains above Simon's Town in the Western Cape Province of South Africa.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Peninsula Sandstone Fynbos
Description
It grows on rocky or sandy slopes and in rock-crevices.
Threats
This species' habitat is protected and it has no severe threats.
Population

This species is known from a single, very large subpopulation occurring over 5 km stretch of rocky summits. As there are no significant threats, the population is not suspected to be declining.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Erica quadrisulcata L.BolusRare Raimondo et al. (2009)
Erica quadrisulcata L.BolusVulnerable Hilton-Taylor (1996)
Erica quadrisulcata L.BolusIndeterminate Hall et al. (1980)
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.


Hall, A.V., De Winter, M., De Winter, B. and Van Oosterhout, S.A.M. 1980. Threatened plants of southern Africa. South African National Scienctific Programmes Report 45. CSIR, Pretoria.


Helme, N.A. and Trinder-Smith, T.H. 2006. The endemic flora of the Cape Peninsula, South Africa. South African Journal of Botany 72(2):205-210.


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


Oliver, E.G.H. and Oliver, I.M. 2002. The genus Erica (Ericaceae) in southern Africa: taxonomic notes 1. Bothalia 32(1):37-61.


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.


Schumann, D., Kirsten, G. and Oliver, E.G.H. 1992. Ericas of South Africa. Fernwood Press, Cape Town.


Citation
Turner, R.C. 2023. Erica quadrisulcata L.Bolus. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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Distribution map

© C. Merry

© C. Merry

© C. Merry


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