Hypericum calycinum, also known as St. John's Wort, is a popular perennial plant that is widely cultivated for its medicinal properties. This herbal plant is regarded as an effective remedy for depression, anxiety, and nerve pain. The plant has several alternative names that are used interchangeably in different regions. Synonyms for the plant include Aaron's Beard, Rose of Sharon, and Jerusalem Star. It also goes by names such as Tipton's weed, Klamath weed, and Goat weed. These different synonyms for the plant reflect its cultural significance and practical uses in various regions around the world.