gum plant
any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock • Syn: gumweed, tarweed, rosinweed • Hypernyms: herb, herbaceous plant • Hyponyms: Grindelia robusta, curlycup gumweed, Grindelia squarrosa • Member Holonyms: Grindelia, genus Grindelia
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