Field Guide to Noxious and Other Selected Weeds of British Columbia
Plumeless Thistle (Carduus acanthoides)
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- Regional Noxious Weed
- biennial taprooted thistle growing to 1.2 metres tall; stems
with spiny wings extending right to the flowerheads; purple
flowers; flowerheads small, less than 2.5 cm broad
- can hybridize with nodding thistle (Carduus
nutans) when growing together
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Spiny winged stems |
More information about plumeless thistle (Weeds BC)
Return to Field Guide to Noxious and Other Selected Weeds of
BC
