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n. 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.

n. Any of the species of biennial thistles in the genus Arctium.

n. A genus of coarse biennial herbs (Lappa), bearing small burs which adhere tenaciously to clothes, or to the fur or wool of animals.

n. The common name of the Arctium Lappa, a coarse, broad-leafed biennial weed, natural order Compositæ, having the numerous awns of the involucral bracts hooked at the tip.

n. any of several erect biennial herbs of temperate Eurasia having stout taproots and producing burs

"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."

suffrutex    subshrub   

prairie burdock    lesser burdock   

arctium lappa    great burdock    greater burdock    common burdock    arctium minus    lesser burdock    cocklebur   

hellebore    dandelion    groundsel    mullein    southernwood    castor oil    bluebell    fenugreek    aqua fortis    sourer