What is a genus of coarse biennial herbs (Lappa), bearing small burs which adhere tenaciously to clothes, or to the fur or wool of animals. Note: The common burdock is the Lappa officinalis called?

burdock — A genus of coarse biennial herbs (Lappa), bearing small burs which adhere tenaciously to clothes, or to the fur or wool of animals. Note: The common burdock is the Lappa officinalis. (Webster's 1913.)

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