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Common Burdock Arctium minus


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Common Burdock
credit: Alberto Salguero/CCSA

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Alternate name: Lesser Burrdock

Family: Asteraceae, Aster view all from this family

Description Non-native herbaceous biennial.
Habit: large, erect, bushy, 1-5' ht., with a deep taproot.
Leaves: large, alternate, ovate, to 20" long, with wooly undersides. Lower leaves are heart-shaped and have very wavy margins.
Flower: thistle-like, pink-lavender-white, 3/4"-1" wide, atop a spiny sphere.
Fruit: 1/2" wide bristly sphere which easily clings to cloth or fur.

Flower Summer to fall: July-October.

Habitat Disturbed sites, roadsides, pastures.

Range Native to Europe; now naturalized throughout North America, except Alaska, arctic Canada, and Florida.

Discussion Considered an invasive weed in most locations. Also known as: bardane, beggar's button, lesser burdock, wild burdock, wild rhubarb.