Is Mitragina Partially Agonist?

So what we know so far in terms of the opioid activity a the surface partial so mitragina and seven hydroximadraginan. We do know that ginen itself is less potent a than morpin a, seven hydrox mitrogine is present in a lot lower concentrations in the plant material if at all. And then seven hydroxi mitroginen actually acts on mopa receptors as a partial agonist.