salix discolor

from WordNet (r) 3.0 (2006)

Salix discolor
    n 1: small willow of eastern North America having greyish leaves
         and silky catkins that come before the leaves [syn: {pussy
         willow}, {Salix discolor}]

from The Collaborative International Dictionary of English v.0.48

Pussy \Pussy\, n. [Dim. of puss.]
   1. A pet name for a cat; also, an endearing name for a girl.
      [1913 Webster]

   2. A catkin of the pussy willow.
      [1913 Webster]

   3. The game of tipcat; -- also called {pussy cat}.
      [1913 Webster]

   {Pussy willow} (Bot.), any kind of willow having large
      cylindrical catkins clothed with long glossy hairs,
      especially the American {Salix discolor}; -- called also
      {glaucous willow}, and {swamp willow}.
      [1913 Webster]