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Any of various North American plants in the composite family that exude resinous secretions, especially those of the genus Silphium, such as the compass plant.
(Plants) any of several North American plants of the genus Silphium and related genera, esp the compass plant, having resinous juice, sticky foliage, and a strong smell: family Asteraceae (composites)
any coarse North American composite plant of the genus Silphium, having a resinous juice.
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|Noun||1.||rosinweed - North American perennial having a resinous odor and yellow flowers|
compass flower, compass plant - any of several plants having leaves so arranged on the axis as to indicate the cardinal points of the compass
|2.||rosinweed - any of various western American plants of the genus Grindelia having resinous leaves and stems formerly used medicinally; often poisonous to livestock|
Grindelia robusta - perennial gumweed of California and Baja California