Over a period of years, I have noticed that some injured trees seem to have more sap and coloration than healthy ones. For instance, I found a small cedar (approx. 8') that was growing in a tight oak thicket and had struggled for a long time with minimal light. It had just a little greenery on top, but, inside it was beautiful purple and red with very little white outer bark layer. On another occasion I found a Bois D'ark that had died after a struggle that had gold flcking in layer after layer. Have any of you noticed something similar?