Glass specimen jar, containing Tanner's cassia seed pods (cassia auriculatae), India, 1871-1920

The seeds of Tanner’s cassia (shown on the far left) are used in several medicinal preparations for dysentery, diarrhoea, diabetes and skin complaints. The seeds are also used as an aphrodisiac. All the plant parts including the roots, bark and flowers are used in medicines. Tanner’s cassia grows in central and south India.