water germander

from The Collaborative International Dictionary of English v.0.48

Germander \Ger*man"der\, n. [OE. germaunder, F. germandr['e]e,
   It. calamandrea, L. chamaedrys, fr. Gr.?; ? on the earth or
   ground + ? tree. See {Humble}, and {Tree}.] (Bot.)
   A plant of the genus {Teucrium} (esp. {Teucrium Cham[ae]drys}
   or wall germander), mintlike herbs and low shrubs.
   [1913 Webster]

   {American germander}, {Teucrium Canadense}.

   {Germander chickweed}, {Veronica agrestis}.

   {Water germander}, {Teucrium Scordium}.

   {Wood germander}, {Teucrium Scorodonia}.
      [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Water germander \Wa"ter ger*man"der\ (Bot.)
   A labiate plant ({Teucrium Scordium}) found in marshy places
   in Europe.
   [1913 Webster]