Umbellularia is a term used to describe a tree species that is native to western North America. The tree is also known by various other names, including the California bay tree, Oregon-myrtle, and pepperwood. These names are often used interchangeably to refer to the species of tree that is known for its distinctive aromatic leaves and bark. The tree's leaves and wood have been used by Indigenous peoples for medicinal and culinary purposes for centuries. The use of alternate names for Umbellularia reflects the diversity of cultures and languages that have been influenced by this distinctive tree species.