This is a set of cultures and subcultures originating in the stone-age-like societies found in the [asian] temperate forests. It has originated in the Xa and the Bám species, and is therefore the oldest multisophont culture in the world of Total Convergence..?.
They highly value plants and nature, and excrements aren't thought of as something negative. They view them as a way for nature to reclaim what was taken from it.