This is a list of Acacia species (sensu lato) that are used for the production of tannins. + Tannin Content of Various Acacia Species Bark Dried LeavesSeed PodsSpecies Tannins [%] Tannins [%] Tannins [%]Acacia albida 2-28% 5-13%Acacia cavenia 32%Google Books Select Extra-tropical Plants Readily Eligible for Industrial Culture Or Naturalization By Ferdinand von Mueller Acacia dealbata 19.1%Plants for a Future Database Acacia decurrens 37-40% Acacia farnesiana 23%Plants for a Future Database Acacia mearnsii 25-35% Acacia melanoxylon 20% Acacia nilotica 18-23%* Acacia penninervis18% Acacia pycnantha 30-45% 15-16% Acacia saligna 21.5%Plants for a Future Database Notes: * - Inner bark
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