Galliano
From The Webtender Wiki
Galliano is a sweet Italian herbal liqueur that comes in a characteristic tall, narrow bottle. It was created in 1896 by Arturo Vaccari of Livorno, Tuscany, and was named after Giuseppe Galliano, an Italian national hero. It's a necessary ingredient of the Harvey Wallbanger.
It is made from around 30 plants and herbs, including anise, vanilla and citrus.