mimosa hostilis to be exact, there is also australian trees, acacia phlebophylla, acacia maidenii, acacia obtusifolia (this one is the best, common one) and a tree from taiwan also has it in the bark https://en.wikipedia.org/wiki/List_of_Acacia_species_known_to_contain_psychoactive_alkaloids
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My big brother learned from a strange man who lived on a houseboat in Amsterdam. My big brother taught me. The lineage of psychonaut adventurers is unbroken 🙌