grinˈdēlyə, -lēə noun
Etymology: New Latin, from David Hieronymus Grindel died 1836 Russ. botanist + New Latin -ia
1.
a. capitalized : a large genus or coarse gummy or resinous herbs (family Compositae) chiefly of western No. America that have flower heads with involucres consisting of phyllaries with spreading tips
b. -s : a plant of the genus Grindelia : gumweed
2. -s : the dried leaves and stems of various gumweeds (as Grindelia camporum, G. cuneifolia, and G. squarrosa ) used internally as a remedy in bronchitis and as a local application in ivy poisoning