"Some words are what we call 'colorful'. By this we mean that they are calculated to produce a picture or induce an emotion." (109). The point is to not find a fancy word, but to make the audience feel something. If it's a simple, matter-of-fact sentence, leave it as that. But if the word gets too colorful, the audience might find comedy in it rather than a deeper meaning.
Paper Birch, White Birch or Canoe Birch is the most widely distributed of the native birches. Easily recognized for its peeling white bark, paper birch bark was used as a paper substitute in the past and valued by native Indians for its use in the construction of canoes.