Gelsemium sempervirens, commonly known as yellow jasmine or evening trumpet flower, is a flowering plant native to the southeastern United States. It belongs to the family Gelsemiaceae and is recognized for its bright yellow, tubular flowers that bloom in spring. The plant is a climbing vine, often found in wooded areas and along fences, and can grow up to 20 feet in length. This plant is notable for its medicinal properties, particularly in homeopathy, where it is used to treat conditions like anxiety and flu-like symptoms. However, all parts of Gelsemium sempervirens are toxic if ingested, containing alkaloids that can cause serious health issues. Caution is advised when handling or using this plant.