Sneezeweed is a type of wildflower that is known for causing allergic reactions in some individuals, particularly sneezing. However, there are several other terms that are used to describe this plant, including butterfly weed, sunflower, heliopsis, and yellow oxeye. These synonyms reflect the appearance and location of the sneezeweed, which typically features large, yellow petals and grows in fields, meadows, and along roadsides. Despite its reputation for causing sneezing, sneezeweed has been used historically for medicinal purposes, particularly in the treatment of respiratory ailments. Regardless of its name, sneezeweed remains a popular plant among gardeners and nature enthusiasts alike.