lappa [医] 牛蒡[根]
Burdock \Bur"dock\, n. [Bur + dock the plant.] (Bot.)
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}.