Could it be that this represents a system for generating music?

[Rafal]

That’s correct. In other words, it isn’t actual grass. 
It was modeled after something else and depicted in that way.

You are a very mysterious man 
You suggest there is some hidden meaning and mystery in the plants pictures but you won't tell us what it is.

Do you know yourself what is this meaning and are just teasing us?
Or you don't know it but just "feel" that there must be some meaning?