Turnera diffusa or old woman’s broom, mexican damiana, herba de la pastora, mexican holly, damiana The leaf and stem of this plant are used to make herbal medicines for a variety of uses. It is probably best known for its use as an aphrodisiac and for treating sexual disfunction. Damiana can also be used to treat headaches, bedwetting, depression, nervous stomach, and constipation. It is effective for the prevention of sexual problems, boosting and maintaining mental, and physical stamina. Sold by the ounce in biodegradable resealable bags. Store in a cool dark place for 6-9 months.