curlycup gumweed

Definitions of curlycup gumweed
1

n perennial gumweed of western and central North America

Synonyms:
Grindelia squarrosa
Type of:
gum plant, gumweed, rosinweed, tarweed
any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock

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