a perennial flowering plant, Inula helenium, of Europe, Asia, and North America having large hairy leaves and narrow yellow petals: family Asteraceae (composites)
Word origin
C16: from Medieval Latin enula campãna, from enula (from Greek helenion) + campãnus of the field
elecampane in American English
(ˌɛlɪkæmˈpeɪn)
noun
a tall, hairy European perennial plant (Inula helenium) of the composite family, having flower heads with many slender, yellow rays: naturalized in the NE U.S.
Word origin
ME elena campana, altered < ML enula campana < L inula (altered by metathesis < Gr helenion, prob. < Helenē, daughter of Zeus) + campana (< campus, field: see campus)