Taxonomy
Scientific Name
Agathosma dentata Pillans
Higher Classification
Dicotyledons
Family
RUTACEAE
National Status
Status and Criteria
Rare
Assessment Date
2020/01/20
Assessor(s)
T. Trinder-Smith & L. von Staden
Justification
Agathosma dentata is a rare and localized species, with an extent of occurrence (EOO) of 4 km². It has no severe threats, and is therefore not suspected to be in danger of extinction.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
This species is endemic to a small area in the Matjies River Valley in the Eastern Cederberg in the Western Cape.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Cederberg Sandstone Fynbos, Swartruggens Quartzite Fynbos
Description
It occurs in sandy valleys and on plateaus in sandstone and quartzite fynbos.
Threats
This species occurs in a protected wilderness area and it has no severe threats.
Population

This species is currently known from two subpopulations on opposite sides of the Matjies River Valley near the confluence with the Krom River. It is possibly more widespread in similar suitable habitat, but field surveys are needed to confirm this. Field observations indicate that it is locally common.


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Agathosma dentata PillansRare Raimondo et al. (2009)
Agathosma dentata PillansVU D2Victor (2002)
Agathosma dentata PillansRare Hilton-Taylor (1996)
Agathosma dentata PillansRare Hall et al. (1980)
Bibliography

Bolus Herbarium. The genus Agathosma, specimen data from the Bolus Herbarium Collections database. University of Cape Town, Cape Town. Downloaded on 2007.


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.


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


Pillans, N.S. 1950. A revision of Agathosma. Journal of South African Botany 16(2):55-177.


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.


Victor, J.E. 2002. South Africa. In: J.S. Golding (ed), Southern African plant Red Data Lists. Southern African Botanical Diversity Network Report 14 (pp. 93-120), SABONET, Pretoria.


Citation
Trinder-Smith, T. & von Staden, L. 2020. Agathosma dentata Pillans. National Assessment: Red List of South African Plants version 2020.1. Accessed on 2022/01/19

Comment on this assessment Comment on this assessment
Distribution map


Search for images of Agathosma dentata on iNaturalist