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rosinweed

 - 3 dictionary results

ros⋅in⋅weed

[roz-in-weed]
–noun
1. any coarse, North American, composite plant of the genus Silphium, having a resinous juice and stalkless, paired leaves.
2. the compass plant, S. laciniatum.

Origin:
1825–35, Americanism; rosin + weed 1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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ros·in·weed   (rŏz'ĭn-wēd')   
n.  Any of several North American plants of the genera Grindelia or Silphium, especially the compass plant, the cup plant, and the gum plant, having a resinous juice.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Encyclopedia

rosinweed

genus of tall perennial plants in the family Asteraceae, consisting of about 23 yellow-flowered species commonly called rosinweed, native to North America. Many species have rough leaves that may be opposite each other, alternate along the stem, or be grouped in whorls.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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