Found 2 items, similar to Tarweed.
English → English (WordNet) Definition: tarweed tarweed n 1: any of various resinous glandular plants of the genus Madia; of western North and South America 2: any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock [syn: gumweed, gum plant, rosinweed]
English → English (gcide) Definition: Tarweed Tarweed \Tar"weed`\, n. (Bot.) A name given to several resinous-glandular composite plants of California, esp. to the species of Grindelia, Hemizonia, and Madia. [1913 Webster]