Langbeenharpuis

Taxonomy
Scientific Name
Euryops serra DC.
Higher Classification
Dicotyledons
Family
ASTERACEAE
Synonyms
Jacobaeastrum serra (DC.) Kuntze
Common Names
Grootharpuis (a), Grootrepuis (a), Langbeenharpuis (a), Langbeenharpuisbossie (a)
National Status
Status and Criteria
Vulnerable D2
Assessment Date
2015/05/11
Assessor(s)
N.A. Helme & D. van der Colff
Justification
A range-restricted species (EOO 54 km²), known from two locations and potentially threatened by invasive alien plants.
Distribution
Endemism
South African endemic
Provincial distribution
Western Cape
Range
Groot Winterhoek Mountains near Tulbagh and possibly Mount Lebanon near Houwhoek.
Habitat and Ecology
Major system
Terrestrial
Major habitats
Winterhoek Sandstone Fynbos
Description
Rocky ledges on sandstone slopes.
Threats
Potentially threatened by competition from invasive alien plants.
Population

Euryops serra is a rare and poorly known species. Most historical records, as well as one recent field observation are from the Groot Winterhoek Mountains. Nordenstam (1968) mentions a single specimen made from cultivated material that is said to originate from Houwhoek, about 100 km to the south of the type locality. This species has never been recollected in the Houwhoek area, nor in suitable habitat in intervening areas, which are botanically well-explored. It is possible that locality information for the cultivated material was incorrect, and Goldblatt and Manning (2000), as well as Manning and Goldblatt (2012) do not include Houwhoek in the distribution range of this species. Until this species' occurrence in the wild around Houwhoek can be confirmed, this locality is excluded from the assessment. The species occurs in fire refuges and has small populations of fewer than 30 individuals (N.A. Helme pers. obs. 2015).


Population trend
Stable
Assessment History
Taxon assessed
Status and Criteria
Citation/Red List version
Euryops serra DC.VU D22015.1
Euryops serra DC.Rare 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.


Manning, J.C. and Goldblatt, P. 2012. Plants of the Greater Cape Floristic Region 1: The Core Cape Flora. Strelitzia 29. South African National Biodiversity Institute, Pretoria.


Nordenstam, B. 1968. The genus Euryops. Part I. Taxonomy. Opera Botanica 20:7-409.


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
Helme, N.A. & van der Colff, D. 2015. Euryops serra DC. National Assessment: Red List of South African Plants version . Accessed on 2025/04/14

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Distribution map

© N.A. Helme


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