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rosinweed

DEFINITIONS OF: rosinweed

1

n North American perennial having a resinous odor and yellow flowers

Synonyms:
Silphium laciniatum
Type of:
compass flower, compass plant
any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass

n 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, gumweed, tarweed
Types:
Grindelia robusta
perennial gumweed of California and Baja California
Grindelia squarrosa, curlycup gumweed
perennial gumweed of western and central North America
Type of:
herb, herbaceous plant
a plant lacking a permanent woody stem; many are flowering garden plants or potherbs; some having medicinal properties; some are pests
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