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]

The Collaborative International Dictionary of English v.0.48:

Canella \Ca*nel"la\ (k[.a]*n[e^]l"l[.a]), n. [LL. (OE. canel,
   canelle, cinnamon, fr. F. cannelle), Dim. of L. canna a reed.
   Canella is so called from the shape of the rolls of prepared
   bark. See Cane.] (Bot.)
   A genus of trees of the order Canellace[ae], growing in the
   West Indies.
   [1913 Webster]

   Note: The principal species is Canella alba, and its bark
         is a spice and drug exported under the names of wild
         cinnamon and whitewood bark.
         [1913 Webster]