grindelia

noun
grin·​de·​lia | \ grin-ˈdēl-yə, -ˈdē-lē-ə How to pronounce grindelia (audio) \

Medical Definition of grindelia

1a capitalized : a large genus of coarse gummy or resinous composite herbs chiefly of western North America and South America
b : a plant of the genus Grindelia
2 : the dried leaves or flowering tops of various plants of the genus Grindelia (as G. camporum, G. robusta, and G. squarrosa) sometimes used in teas as a remedy especially for bronchitis and asthma or applied as a poultice to treat skin eruptions and wounds