Tarweed

[tɑ:wi:d]

(noun.) any of various resinous glandular plants of the genus Madia; of western North and South America.

Typed by Catherine--From WordNet

(n.) A name given to several resinous-glandular composite plants of California, esp. to the species of Grindelia, Hemizonia, and Madia.

Checked by Leda