FBU4237594: Salvia officinalis 'Purpurascens' (Sage). Purple Sage. Lamiaceae, Mint family. Medicinal plant in the treatment of digestive disorders. Purple officinal sage is reputable to be toned for nerves, stimulates circulation, regulates the menstrual cycle, facilitates digestion and relieves the liver or tired stomachs. / Bridgeman Images