Any of several weedy, chiefly biennial plants of the genus Arctium in the composite family, having pink or purplish flower heads surrounded by prickly bracts and forming a bur in fruit. (noun)
Examples of word burdock
This is particularly well reported for bats, with Hill & Smith (1984) discussing cases of bats dying after being entangled in burdock burs, after getting impaled on the spines of cacti, desert shrubs and rose thorns, and after getting strangled by Spanish moss fibres.
"The _Articum Lappa_, more commonly called the burdock," explained
Blood-cleansing herbs such as burdock root, dandelion root, red clover flower, and nettle leaf—in any combination—given to a nursing mother or to the newborn will help clear impurities from the bloodstream, thus helping clear cradle cap.
Large green leaves were wrappers, some of them, such as burdock, cooked as greens.
Forager Steve Brill leads walks in New York City, finding items such as burdock root, wild carrots and wild parsnips.