- Carduus tenuiflorus
Taxobox
name = "Carduus tenuiflorus"
image_width = 260px
regnum =Plant ae
divisio =Magnoliophyta
classis =Magnoliopsida
ordo =Asterales
familia =Asteraceae
tribus =Cynareae
genus = "Carduus "
species = "C. tenuiflorus"
binomial = "Carduus tenuiflorus"
binomial_authority =W. Curtis "Carduus tenuiflorus" is a species of
thistle known as the winged thistle or slender-flowered thistle. It is native to Europe and North Africa but is well-known on other continents where it is anintroduced species andnoxious weed . This thistle may exceed two meters 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. Theinflorescence s 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.External links
* [http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?609,867,871 Jepson Manual Treatment]
* [http://plants.usda.gov/java/profile?symbol=CATE2 USDA Plants Profile]
* [http://calphotos.berkeley.edu/cgi/img_query?query_src=photos_index&where-taxon=Carduus+tenuiflorus Photo gallery]
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