What is the name of a type of sunflower plant named after an 18th century magistrate?

Gaillardia, commonly known as blanket flowers, is a genus of annual plants of the sunflower family, Asteraceae. It was named after the 18th century French magistrate, M. Gaillard de Merentonneau, who was a patron of botany. There are about 28 different species in this genus, giving the blanket flower a wide variety of colors and shapes.