See under loosestrife(def 1).
Definition for whorled loosestrife (2 of 2)
[ loos-strahyf ]
/ ˈlusˌstraɪf /
any of various plants belonging to the genus Lysimachia, of the primrose family, having clusters of usually yellow flowers, as L. vulgaris (garden loosestrife) or L. quadrifolia (whorled loosestrife).
any of several plants belonging to the genus Lythrum, of the loosestrife family.
Compare purple loosestrife.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
British Dictionary definitions for whorled loosestrife
/ (ˈluːsˌstraɪf) /
any of various primulaceous plants of the genus Lysimachia, esp the yellow-flowered L. vulgaris (yellow loosestrife)See also moneywort
purple loosestrife a purple-flowered lythraceous marsh plant, Lythrum salicaria
any of several similar or related plants, such as the primulaceous plant Naumburgia thyrsiflora (tufted loosestrife)
Word Origin for loosestrife
C16: loose + strife, an erroneous translation of Latin lysimachia, as if from Greek lusimakhos ending strife, instead of from the name of the supposed discoverer, Lusimakhos
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012