'Tarweed' definitions:
noun
Any of various resinous glandular plants of the genus Madia; of western North and South America
noun
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, tarweed,
rosinweed]
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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]
Words containing 'Tarweed'
