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canaigre (kənīˈgrē): see buckwheat.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



(Rumex hymenosepalus), a perennial plant of the genus Rumex, approximately 1 m in height. It grows wild in the southern United States and in Mexico. The radical tubers contain tannides, which are used to tan soft leather.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.