noun. Any of several plants of the genus Arctium of the composite family, having edible roots and pink or purplish flower heads surrounded by prickly bracts that form burs.

noun. 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.

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

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

noun. 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."

lesser burdock  prairie burdock  

subshrub  suffrutex  

arctium lappa  arctium minus  cocklebur  common burdock  great burdock  

alfalfa  aqua fortis  arborvitae  bluebell  castor oil