rosinweed

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rosinweed Definition

• (n) North American perennial having a resinous odor and yellow flowers
• (n) any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock

rosinweed Synonyms

• gum plant
• gumweed
• rosinweed
• Silphium laciniatum
• tarweed