牛舌草
Oxtongue \Ox"tongue`\, n. (Bot.) A name given to several plants, from the shape and roughness of their leaves; as, {Anchusa officinalis}, a kind of bugloss, and {Helminthia echioides}, both European herbs.
oxtongue n : widespread European weed with spiny tongue-shaped leaves and yellow flowers; naturalized in United States [syn: {bristly oxtongue}, {bitterweed}, {bugloss}, {Picris echioides}]