Genus Silphium is a group of perennial plants that produce yellow flowers and are native to North America. Synonyms for this group of plants include Rosilla, Rosarilla, and Compass Plant. These names are derived from the Latin term, "rosa," meaning "rose," which describes the plant's showy, rose-like flower petals. The term "Compass Plant" refers to the plant's ability to align its leaves north-south, providing a navigational aid to early settlers. Other related species within the same family include Prairie Dock, Cup Plant, and Indian Plantain. Genus Silphium plants are known for their long-lasting blooms, strong stems, and ability to attract pollinators, making them a popular choice for home gardens and landscaping.