inula

noun

in·​u·​la ˈin-yə-lə 

1

: the dried roots and rhizome of elecampane used as an aromatic stimulant and especially formerly as a remedy in pulmonary diseases

called also elecampane, elecampane root

2

capitalized : a genus of Old World perennial herbaceous or rarely shrubby plants (family Compositae) having large yellow radiate heads and including the elecampane (I. helenium)

3

: any plant or root of the genus Inula