Conquerors, and even the people they bring unwillingly with them, tend to ignore the native people, and their native wisdom. This is as true on Earth as it is on Grandmother.
Marven was a wise leader on the Lush Planet. He knew who his sworn enemies were. He also knew that to overcome, sometimes you have to make adjustments.
There are many unique life forms on the planet Grandmother. It was one reason why the Squares came there. One thing they overlooked completely was the Sacred Herb. But the natives of the planet call it sacred for a reason…