Source : Webster's Revised Unabridged Dictionary (1913)

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.

Alkanet \Al"ka*net\, n. [Dim. of Sp. alcana, alhe[~n]a, in which
   al is the Ar. article. See {Henna}, {and cf}. {Orchanet}.]
   1. (Chem.) A dyeing matter extracted from the roots of
      {Alkanna tinctoria}, which gives a fine deep red color.

   2. (Bot.)
      (a) A boraginaceous herb ({Alkanna tinctoria}) yielding
          the dye; orchanet.
      (b) The similar plant {Anchusa officinalis}; bugloss;
          also, the American puccoon.

Source : WordNet®

Anchusa officinalis
     n : perennial or biennial herb cultivated for its delicate
         usually blue flowers [syn: {bugloss}, {alkanet}]