#tree_trunk__trunk__bole  the main stem of a tree; usually covered with bark; the bole is usually the part that is commercially useful for lumber
  supertype:  stalk__stem  a slender or elongated structure that supports a plant or fungus or a plant part or plant organ
  part:  bark
  part of:  tree  a tall perennial woody plant having a main trunk and branches forming a distinct elevated crown; includes both gymnosperms and angiosperms

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