A complex character has multiple or conflicting motivations. (I think I'm not so sure)
None of these are correct, phyll, is most cases, means leaf. However, it is the suffix of chlorophyll, which is a green pigment in most plants. With this being said, I would go with green.
Hope this helps!
Because there parents do care what they do in live so they want to get them started on thins so they now how to do when there older