Exorhiza

1 definition found

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

  Exorhiza \Ex`o*rhi"za\ ([e^]ks`[-o]*r[imac]"z[.a]), n.; pl.
     {Exorhiz[ae]} (-z[=e]). [NL. fr. Gr. 'e`xw outside + 'ri`za
     root.] (Bot.)
     A plant Whose radicle is not inclosed or sheathed by the
     cotyledons or plumule. --Gray. Exorhizal