Taxonomy
Scientific Name
Dimorphotheca walliana (Norl.) B.Nord.
Higher Classification
Dicotyledons
Family
ASTERACEAE
Synonyms
Osteospermum wallianum Norl.
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2005/10/12
Assessor(s)
P.P.J. Herman & J.E. Victor
Justification
Restricted distribution (EOO 20 km²) and known from two locations. Potentially threatened by coastal development.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Gordon's Bay at the foot of the Hottentots Holland Mountains.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Kogelberg Sandstone Fynbos, Boland Granite Fynbos
Description
Steep rocky slopes, on sandstone.
Threats
Habitat loss
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Dimorphotheca walliana (Norl.) B.Nord.VU D2Raimondo et al. (2009)
Dimorphotheca walliana (Norl.) B.Nord.VU D2Victor (2002)
Dimorphotheca walliana (Norl.) B.Nord.Insufficiently Known Hilton-Taylor (1996)
Osteospermum wallianum Norl.Uncertain Hall et al. (1980)
Bibliography

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.


Nordenstam, B. 1994. New combinations in the tribe Caleculeae. Compositae Newsletter 25:46-49.


Norlindh, T. 1943. Studies in the Calenduleae. 1: Monograph of the genera Dimorphotheca, Castalis, Osteospermum, Gibbaria and Chrysanthemoides. Gleerup, Lund.


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
Herman, P.P.J. & Victor, J.E. 2005. Dimorphotheca walliana (Norl.) B.Nord. National Assessment: Red List of South African Plants version . Accessed on 2024/09/14

Comment on this assessment Comment on this assessment
Distribution map


Search for images of Dimorphotheca walliana on iNaturalist