bignonia leucoxylon

from The Collaborative International Dictionary of English v.0.48

Whitewood \White"wood`\, n.
   The soft and easily-worked wood of the tulip tree
   ({Liriodendron tulipifera}). It is much used in cabinetwork,
   carriage building, etc.
   [1913 Webster]

   Note: Several other kinds of light-colored wood are called
         whitewood in various countries, as the wood of
         {Bignonia leucoxylon} in the West Indies, of
         {Pittosporum bicolor} in Tasmania, etc.
         [1913 Webster]

   {Whitewood bark}. See the Note under {Canella}.
      [1913 Webster]