| curlycup gumweed | (n) perennial gumweed of western and central North America, Syn. Grindelia squarrosa |
| gumweed | (n) any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock, Syn. gum plant, tarweed, rosinweed |
| gumweed | n. any of various Western American plants of the genus |