Fraxinus is a genus of flowering plants in the olive and lilac family, commonly known as ash trees. These trees can be found all over the world and have many synonyms, including bird cherry, European ash, and fobia. Other synonyms for fraxinus are ash, mountain ash, and white ash. In some cultures, ash trees are considered sacred and are associated with knowledge and wisdom. The wood of the ash tree is known for its strength and versatility and is used for making furniture, sports equipment, and musical instruments. The leaves and bark of the ash tree have also been used for their medicinal properties.