Photographer: Steve C. Garske
Cirsium vulgare (Savi) Ten.
Cirsium: derived from the Greek kirsion, "a kind of thistle;" also cirsos meaning "a swollen vein" for which thistle was once a remedy
vulgare: Latin for "common"
Invasive - Eradicate!
|Status: ||Introduced - naturalized; ecologically invasive|
|Plant: ||erect, biennial, 2'-6' tall forb; stems very spiny-winged|
|Flower: ||head 1 1/2" wide with purple disk flowers, bracts (phyllaries) with spiny tips; inflorescence of several heads in open clusters; blooms June-Oct.|
|Fruit:||dry seed on fluffy, feathery-divided pappus|
|Leaf:||very spiny, pinnately-divided into lobed, then toothed segments|
|Habitat: ||disturbed sites, prairies, marshes, roadsides|