grindelia

1a capitalized :  a large genus of coarse gummy or resinous composite herbs chiefly of western North America and South Americab:  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