Stryphnodendron adstringens (Portuguese: barbatimão) is a species of legume in the genus Stryphnodendron found in Brazil.
Holcocera cerradicola is a moth, whose larvae feed on S. adstringens.
S. adstringens stem bark is used to produce tannins of the prorobinetinidins (flavanols oligomers containing robinetinidol) or prodelphinidins type. These are robinetinidol-(4β → 8)-epigallocatechin, robinetinidol-(4α → 8)-epigallocatechin, robinetinidol-(4β → 8)-epigallocatechin 3-O-gallate, robinetinidol-(4α ...