Brugmansia flowers [my personal preferred datura spp smoke], which like all datura spp. vary in potency greatly from time of day, season, and many other factors that are unknown.
The datura seeds are the least variable and that is why many of us use 3 to potentiate and denauseate our entheogens. Specifically Datura Stramonium. The Inoxias that you have will be a bit more sedating than the stimulating stramonium.
They can be added to changa like this:
2 parts spice to
1 part caapi leaves
1 part brugmansia flower
smoking is a relatively safer form of ingestion compared to a tea for instance, but it still feels toxic, so I can't recommend this to anyone.
I know people are intrigued though, and if they want to find out on their own, they should pursue with caution and only work with this powerful and occasionally delusional teacher every so often.