Akademik

large genus of coarse gummy herbs of western North and Central America

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

/grin dee"lee euh, -deel"yeuh/, n.

1. any of various composite plants of the genus Grindelia, comprising the gumweeds.

2. the dried leaves and tops of certain species of this plant, used in medicine.

[1880-85, Amer.; named after D.H. Grindel (1777-1836), Russian scientist; see -IA]