Great story.

I never knew about the alchemy of the biologica processes of trees, only the spiritual/light alchemy.

In the early 80s when I was an apprentice (in spiritual practices) for a later induction into shamanic healing, I learned about trees as accumulators of light (energy).

Many times when people, especially in group work perform a spiritual practice of inner work together they generate an abundance of light energy. If that energy is not stored in some way it is blown off. The most common way it is blown-off is by talking especially excited unnecessary talking.

Once a link is formed with a tree - person to person - hand to bark contact, the extra energy generated by a practice whether it be individually or group generated may be received by that tree.

A bond is formed between the person and the tree that lasts for eternity (in higher dimensions) or for the life of the tree and/or person. Then "interest" from the original deposit into said tree can be taken as a withdrawal (but never the whole of the original deposit) for use in further spiritual work or for self-healing.