Common Burdock

Arctium minus Bernh.

Asteraceae (Aster Family)

▲ seedlings

▲▼ first year rosettes

▲▼ bolting plant

▲ stem

▲▼ flowers and bur-like fruit

▲▼ mature fruit on plants

Common Burdock:  (pp. 73-74, Weeds of the Great Plains; pp. 114-115 in Weeds of the Northeast)

·         biennial with large, pubescent triangular leaves (12-24” long and as wide) in first year

·         produces elongated stalk with spiny flower heads with purple flowers (2-6’) tall

·         found in pastures, roadsides, non-crop areas—can tolerate moderate shade