Trees in the auracaria family are very beautiful when growing well-we have a
small monkey puzzle growing out of doors and two Norfolk Island pine in a
conservatory.
My elder daughter's in laws have two monkey puzzles groing in and exposed
position in Cheshire.
These tree have developed a ugly mushroom shapes with top branches densely
crowded. I think this is where the tree has grown above the shelter of a
tall hedge and become exposed to strong winds blowing in from the marshes