A South American mimosa tree, Stryphnodendron adstringens (formerly Stryphnodendron barbatimao), which has an astringent, tannin-rich bark.
These referred largely to the bark of the barbatimao. The most abundant source of tannin in the country is the mangrove. … Next in importance come angico, … and the barbatimao tree.
… additional samples of the "Barbatimao" bark (Stryphnodendron Barbatimao, Mart.) have been received from an American consular officer in Brazil, and may be examined at the Bureau or its district offices. (Refer to file No. 74607.)