Sources of tannins

Chestnut wood
Dhawa
- Anogeissus latifolia
Myrobalan fruit
- Terminalia chebula
Oak bark
Oak wood
Valonia oak
- Quercus macrolepis
Sumac
- Tanner's sumach leaves - Rhus coriaria or Chinese gall on Rhus chinensis
Tara pod
- Tara spinosa

Other sources
by organ

Barks	General : Tanbark Acacias (most notably Acacia pycnantha and Acacia decurrens) Alder Alnus sp Avaram Senna auriculata Babul Acacia nilotica Birch Betula sp Button mangrove Conocarpus erectus Hemlock Tsuga sp Larch Larix sp Mangrove Pine Pinus sp Spruce Picea sp Urunday Myracrodruon urundeuva Willow Salix caprea
Leaves	Badan Bergenia crassifolia Gambier Uncaria gambir Redoul Coriaria myrtifolia
Roots	Canaigre Rumex hymenosepalus Garouille Quercus coccifera Sea lavender Limonium sp
Woods	Cutch Senegalia catechu
Fruit	Divi-divi pod Libidibia coriaria Sant pod Acacia nilotica Teri pod Moullava digyna
Galls	Gall oak Quercus lusitanica Quercus infectoria
Whole plant	Prosopis sp. bark and wood Prosopis humilis Prosopis nigra Tanoak Notholithocarpus Tizra heartwood and root Searsia pentaphylla
Undetermined organ	Anadenanthera colubrina (vilca)