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Woolly Burdock
Arctium tomentosum P. Mill
Asteraceae (Sunflower Family)
▲ first year rosette
▲▼ flowering plants
▲▼ inflorescences
▲▼ inflorescences
▲▼ inflorescences
▲ closer view of woolly bracts
Arctium tomentosum
P. Mill., Woolly Burdock:
(Bayer
Code:
ARFTO; US Code ARTO)
·
Biennial weed similar to common burdock that produces large, pubescent
triangular leaves (12-18 inches long and almost equally as wide) in first year
·
Second year produces elongated stalk 2-6 feet tall with globose spiny-bracted
flower heads with dark purple flowers
·
Differs from common burdock in that
common burdock’s bur-like inflorescences often are more rounded to urn-shaped,
green in color and usually lack the dense cob-web like hairs around the
inflorescence spiny
·
Found in pastures, roadsides, open woods, non-crop areas—can tolerate
moderate shade
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Posted 19 January 2019