Field Guide to Noxious and Other Selected Weeds of British Columbia
Marsh Plume Thistle
(Cirsium palustre)
Photo courtesy Natural Exposures Photography and Imaging
Regional Noxious Weed
biennial growing erect to about 1.5 metres; slender stems are
strongly spiny-winged and are usually unbranched except the upper
portion which terminates in clusters of purple flower heads; deep
segmented, spine-tipped leaves are somewhat hairy on the underside
and have prominent woody veins
this native of Europe prefers moist woodlands, riparian areas,
roadsides and pastures on both disturbed and undisturbed sites. It
has been increasing recently in east-central B.C.
Photo courtesy Natural Exposures Photography and Imaging
