rosinweed(redirected from Silphium aurantiacum)
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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.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(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)
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any coarse North American composite plant of the genus Silphium, having a resinous juice.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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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
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