Origin

North Indian saline or water-logged soils; on sandy banks in West Bengal, Bihar, Orissa and South India.

Action:

Galls—astringent, given internally in dysentery and diarrhoea. Infusion used as a gargle for sore throat. Decoction applied to foul and sloughing ulcers. Pulverized galls, mixed with Vaseline, used for piles and anal fissures.

Manna— mild laxative and expectorant.

Tannin content—galls 40-50%, bark 15,3% tannin and non-tannin ratio, quite high as compared to oak bark.

Khare, C.P./ Indian Medicinal Plants. -- Nueva Dheli: Springer, 2007 . - p 646.