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==Chemical Composition==
The leaves, bark and heartwood
yield quinic and shikmik acids; leaves contain gallotannin (90–95% of the tannins). The young leaves and shoots contain 50% tannins (dry basis). The bark contains 12–18% tannins. Heartwood contains gallic acid, ellagic acid, its derivatives, quercetin andmyricetin. The gum is mainly the calcium salt of a complex, high molecular weight polysaccharic acid (ghattic acid) <ref name="Chemical composition"/>
==Common names==
{{Common names|kn=Dhinduga, Dindaga, Dindlu|ml=Malakanniram, Vellanaga|sa=Dhava, Dridhataru, Madhuratvacha, Nanditaru, Pishachavriksha, Shushkanga|ta=Vellai-nagai, Ekariyamaram, Vellainakam|te=Chirumaanu, Sirimaanu, Thirumaanu|hi=Dhau, Dhawda, Dohu|en=Dhawa, Button tree}}<ref name="Common names"/>
==Properties==
===Flower===
{{Flower|Bisexual|Axillary globose heads|Pale yellow|10|Peduncle puberulous; pedicel reduced or absent; calyx tube 2 winged, 3-5.5 mm long, produced above the ovary, villous inside, teeth 5, ovate-triangular.Flowering from August to January}}
===Fruit===
{{Fruit|A drupe|6 - 8 mm across||Greenish-yellow, compressed, puberulous, circular; wings 2, margin entire or slightly undulate, beaked; seed one, obovate.|Fruiting from August to January}}
===Other features===
