Hypericum pyramidatum is a plant species commonly referred to as the St. Andrew's Cross. It is a member of the Hypericum genus, which is commonly known as St. John's Wort. There are several synonyms that are used to refer to this particular species, including Hypericum perforatum var. pyramidatum, Hypericum depressum, Hypericum olympicum, and Hypericum pyramidale. These synonyms are used interchangeably to refer to the same plant species. Hypericum pyramidatum is often used in traditional medicine as a remedy for depression and anxiety. It is also commonly used as a decorative plant in gardens and landscaping.