Taxonomy
Scientific Name
Selago diffusa Thunb.
Higher Classification
Dicotyledons
Family
SCROPHULARIACEAE
Synonyms
Selago diosmoides Rolfe exluding Eckl. & Zeyh. specimen from Gauritz River (in part)
National Status
Status and Criteria
Vulnerable B1ab(ii,iii,iv,v)+2ab(ii,iii,iv,v)
Assessment Date
2007/05/13
Assessor(s)
D. Raimondo
Justification
EOO 1850 km², known from four locations but suspected to occur at another five. Threatened by ongoing habitat loss to alien plant invasion, coastal development and crop cultivation.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Gansbaai to Stilbaai.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Overberg Dune Strandveld, Canca Limestone Fynbos, De Hoop Limestone Fynbos, Agulhas Limestone Fynbos, Hartenbos Dune Thicket
Description
Limestone flats, outcrops, slopes and hills, as well as sand dunes.
Threats
Threatened by ongoing habitat loss and degradation due to coastal development, agricultural expansion and competition from alien invasive plants.
Population
Population trend
Decreasing
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Selago diffusa Thunb.VU B1ab(ii,iii,iv,v)Raimondo et al. (2009)
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.


Hilliard, O.M. 1999. The tribe Selagineae (Scrophulariaceae). Royal Botanic Garden Edinburgh/Royal Botanic Gardens, Edinburgh/Kew.


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.


Citation
Raimondo, D. 2007. Selago diffusa Thunb. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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