Hypericum hypericoides is a plant commonly known as St. Andrew's cross, as its distinctive four-petaled yellow flowers form a diagonal cross resembling the cross on which St. Andrew was crucified. Other common synonyms for Hypericum hypericoides include Crosswort, Aaron's beard, Tipton's weed, and John's wort. The plant is native to North America and can be found growing in sunny, dry areas such as roadsides and meadows. The leaves and flowers of Hypericum hypericoides have been used medicinally for centuries to treat various ailments such as depression, anxiety, and insomnia. The plant's traditional medicinal uses have led to the development of numerous pharmaceutical preparations made from its extracts.