Carduus tenuiflorus
Template:Short description Template:Speciesbox Carduus tenuiflorus is a species of flowering plant in the family Asteraceae. It is known variously as slender-flower thistle,[1] sheep thistle,[1] shore thistle,[1] slender thistle,[1] winged plumeless thistle,[2] winged slender thistle[1] and winged thistle.[1] It is native to western Europe and Northwest Africa, and is an introduced species elsewhere.
Description
Carduus tenuiflorus may exceed Script error: No such module "convert". in height. Its tall stem is ridged with wings and has long spines which may be several centimeters in length. The dull olive-green leaves are lobed and wrinkled and may fold and crease themselves.Script error: No such module "Unsubst".
The inflorescences may hold up to 20 flower heads which are somewhat rounded, covered in wide, spiny phyllaries, and packed with pale pink to bright purple long-tubed disc florets. This is a tenacious weed of roadsides, fields, and disturbed areas.
Distribution
Carduus tenuiflorus is native to western North Africa in: northern Algeria, Morocco, and Tunisia; Macaronesia; and much of western Europe in: Belgium, France, including Corsica, Ireland, Italy including Sardinia and Sicily, the Netherlands, Portugal, Spain including the Balearic Islands, and the United Kingdom.[1][3][4]
Introduced species
It has become naturalised in South Africa, India, Australasia, Southern South America, regions of the United States, and elsewhere.[1] It is an invasive species in California.[5]
References
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- ↑ USDA
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- ↑ Cal-IPC (California Invasisive Plant Council): Carduus tenuiflorus. accessed 4.8.2013
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External links
- Pages with script errors
- Pages with reference errors
- Carduus
- Flora of Europe
- Flora of North Africa
- Plants described in 1793
- Flora of Algeria
- Flora of Belgium
- Flora of Corsica
- Flora of Ireland
- Flora of Italy
- Flora of Sardinia
- Flora of Sicily
- Flora of Morocco
- Flora of the Netherlands
- Flora of Portugal
- Flora of Spain
- Flora of the Balearic Islands
- Flora of Tunisia
- Flora of the United Kingdom