Asteraceae/Compositae (Aster/Composit Family) Synonym(s): Fall Sneezeweed, Autumn Sneezeweed Base Flower Color: YellowReproductive Phenology: Jul, Aug, Sept, Oct, NovNotes: The genus is thought to have been named by Linnaeus for Helen of Troy. The legend is that the flowers sprung up from the ground where her tears fell. For more information about this plant, Click Here.