1
The outside wood is white and the heartwood is red or yellow.
2
The fungi enter these cracks and work their way to the heartwood.
3
Formerly, the custom has been to throw away the heartwood as useless.
4
Wood prices depend on the oil price and volume of oil-bearing heartwood per tree.
5
They were hard as the heartwood of an oak.
1
It is distinguished from the harder inner and older wood, the duramen or heart-wood.