Senega is a medicinal herb that has been used by various cultures for centuries to treat various illnesses and diseases. Some synonyms for senega include senega root, Polygala senega, and mountain flax. Senega root is a common name for this plant because it is the root of the plant that is most commonly used for medicinal purposes. Polygala senega is the scientific name for the plant, which has also been found to have some medicinal properties. Mountain flax is another name for senega that refers to the location where it is found growing in the wild. Regardless of the name, this herb has been used for centuries as a natural remedy and continues to be used for various conditions today.