Photo courtesy BC Ministry of Forests |
- Regional Noxious Weed
- biennial to short-lived taprooted perennial growing to 1 metre high; stems covered in
stiff hairs with swollen reddish to black bases where attached to stem
- invades rangelands, pastures, roadsides and idle areas particularly on coarse, sandy to
gravelly soils
- produces 500 to 2,000 seeds per plant
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