Also known as herb-of-Grace, Rue is an ornamental and medicinal herb with a pungent, soothing scent. Originally native to the Balkan Peninsula, it is now found around the world. The plant reaches three feet in height and Bears velvety bluish leaves and bright-yellow flowers that mature into fruit. Rue was once thought to heighten creativity and improve eyesight, making it a favorite of artist like Leonardo da Vinci and Michelangelo. Modern healers recommended it for treating headaches, joint pain, insomnia, nerves, stomach cramps, and renal problems as well as skin ailments such as psoriasis. there are some indications that rue, when combined with certain other herbs, may possess antiviral qualities.