a common European plant, Linaria vulgaris, of the figwort family, having narrow leaves and showy yellow-and-orange flowers, naturalized as a weed in the U.S.
any plant of the same genus.

Origin of toadflax

First recorded in 1570–80; toad + flax Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for toadflax

Historical Examples of toadflax

  • The stems of the Red Valerian are tall and upright; those of the Toadflax are slender and drooping.

    Wildflowers of the Farm

    Arthur Owens Cooke

  • Strong woody knapweed endures it, so does toadflax and pale blue scabious, and wild mignonette.

    The Pageant of Summer

    Richard Jefferies

British Dictionary definitions for toadflax



any of various scrophulariaceous plants of the genus Linaria, esp L. vulgaris, having narrow leaves and spurred two-lipped yellow-orange flowersAlso called: butter-and-eggs
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