March pennywort

from The Collaborative International Dictionary of English v.0.48

Pennywort \Pen"ny*wort`\, n. (Bot.)
   A European trailing herb ({Linaria Cymbalaria}) with
   roundish, reniform leaves. It is often cultivated in hanging
   baskets.
   [1913 Webster]

   {March pennywort}, or {Water pennywort}. (Bot.) See under
      {March}.
      [1913 Webster]