rosinweed
1. [ noun ] (botany) North American perennial having a resinous odor and yellow flowers
Synonyms: Silphium_laciniatum
Related terms: compass_plant Silphium
2. [ noun ] (botany) any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock
Synonyms: gum_plant tarweed gumweed
Related terms: herb Grindelia_robusta curlycup_gumweed Grindelia