witchweed

witchweed

[wich-weed]
noun
an Old World parasitic plant of the genus Striga, introduced into the southern U.S.: a serious pest of corn and other grass crops.

Origin:
1900–05; witch + weed1

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source Link To witchweed
Collins
World English Dictionary
witchweed (ˈwɪtʃˌwiːd)
 
n
any of several scrophulariaceous plants of the genus Striga, esp S. hermonthica, that are serious pests of grain crops in parts of Africa and Asia

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Encyclopedia Britannica
Encyclopedia

witchweed

any plant of the genus Striga in the family Orobanchaceae, including about 40 species of the Old World tropics and one species introduced into the southeastern United States. About 10 species are destructive as parasites on such crops as corn (maize), sorghum, rice, sugarcane, and tobacco.

Learn more about witchweed with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
Cite This Source
Copyright © 2014 Dictionary.com, LLC. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT

;