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}]