Definition of "toadflax"

toadflax

noun
countable and uncountable, plural toadflaxes
1. Any of several European plants, of the genus Linaria, having two-lipped yellow flowers.
  Quotations
  One morning she had me traipsing out at the crack of dawn for prickly poppy, toadflax, spiderwort, and skeleton weed. If that doesn't sound like the makings of a witch's brew, then I'm the queen of England.
  2010, Clare Vanderpool, Moon Over Manifest
2. Any of several other plants in the family Plantaginaceae.