gumweed

Từ điển WordNet v3.1 - WordNet Dictionary

noun

any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally;
often poisonous to livestock
• Syn:
gum plant, tarweed, rosinweed
• Hypernyms:
herb, herbaceous plant
• Hyponyms:
Grindelia robusta, curlycup gumweed, Grindelia squarrosa
• Member Holonyms:
Grindelia, genus Grindelia