Taxonomy
Scientific Name
Strumaria unguiculata (W.F.Barker) Snijman
Higher Classification
Monocotyledons
Family
AMARYLLIDACEAE
Synonyms
Gemmaria unguiculata (W.F.Barker) D.& U.Müll.-Doblies, Hessea unguiculata W.F.Barker, Periphanes unguiculata (W.F.Barker) F.M.Leight.
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2004/07/20
Assessor(s)
D.A. Snijman & J.E. Victor
Justification
Known from one large subpopulation. Potentially threatened by overgrazing, human disturbance and harvesting for horticultural purposes.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Doring River Valley.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Tanqua Karoo
Description
Succulent karoo shrubland, in heavy, loamy soil covered with slate chips and rocks on north-facing slopes.
Threats
Harvesting [gathering], Habitat loss, Habitat degradation
Population
Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Strumaria unguiculata (W.F.Barker) SnijmanVU D2Raimondo et al. (2009)
Strumaria unguiculata (W.F.Barker) SnijmanVU D2Victor (2002)
Strumaria unguiculata (W.F.Barker) SnijmanVulnerable Hilton-Taylor (1996)
Hessea unguiculata W.F.BarkerUncertain 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.


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


Hilton-Taylor, C. Unpublished. Succulent Karoo Red Data List (version 1997 - in preparation). SANBI.


Müller-Doblies, D. and Müller-Doblies, U. 1985. De Liliifloris notulae 2: De taxonomia subtribus Strumariinae (Amaryllidaceae). Botanische Jahrbücher für Systematik 107:17-47.


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.


Snijman, D.A. 1992. Systematic studies in the tribe Amaryllidae (Amaryllidaceae). Unpublished Ph.D., University of Cape Town.


Snijman, D.A. 1994. Systematics of Hessea, Strumaria and Carpolyza (Amaryllideae: Amaryllidaceae). Contributions from the Bolus Herbarium 16:1-162.


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
Snijman, D.A. & Victor, J.E. 2004. Strumaria unguiculata (W.F.Barker) Snijman. National Assessment: Red List of South African Plants version . Accessed on 2025/05/15

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Distribution map

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