any plant of the North American genus Gaillardia, having ornamental flower heads with yellow or red rays and purple discs: family Asteraceae (composites)
Word origin
C19: from New Latin, named after Gaillard de Marentonneau, 18th-century French amateur botanist
gaillardia in American English
(geɪˈlɑrdiə)
US
noun
any of a genus (Gaillardia) of American plants of the composite family, having large, showy flower heads with yellow or reddish rays and disks
Word origin
ModL, after Gaillard de Marentonneau, 18th-c. Fr botanist