This reminds me of Calvino. Loved it! Here’s my contribution:

Corporate Tree:

The mother of all trees, this one comes with ornaments all along the hierarchy, with ones on top getting to command and re-organize those below. Each ornament holds on to its branch and defends it, while trying to expand control by pushing the neighbouring ornaments off. But if you are pushed off you do not fall – you only jump to the next corporate tree.

The Corporate tree is related to the Decision tree, and paralysed by it. Choices are debated endlessly, and no decision is taken.