Ionidium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Ionidium \I`o*nid"i*um\, n. [NL. Cf. {Iodine}.] (Bot.)
     A genus of violaceous plants, chiefly found in tropical
     America, some species of which are used as substitutes for
     ipecacuanha.
     [1913 Webster]