• WordNet 3.6
    • n toadflax common European perennial having showy yellow and orange flowers; a naturalized weed in North America
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Webster's Revised Unabridged Dictionary
    • n Toadflax (Bot) An herb (Linaria vulgaris) of the Figwort family, having narrow leaves and showy orange and yellow flowers; -- called also butter and eggs flaxweed, and ramsted.
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Century Dictionary and Cyclopedia
    • n toadflax A plant of the genus Linaria. primarily L. vulgaris, the common toadflax, a showy but pernicious plant, otherwise known as ranstead and butter-and-eggs. Other noteworthy species are the ivy-leafed toad-flax or Kenilworth ivy, Latin Cymbalaria, (see ivy), and the three-birds toad-flax, Latin triornithophora, a European plant cultivated for its large purple long-spurred flowers borne in whorls of three, and suggesting little birds. Several others are desirable in gardens, as the dwarf L. alpina, alpine toadflax, and the tall L. Dalmatica, with showy sulphur-yellow flowers; the plant, however, is difficult to eradicate. See cancerwort.
    • n toadflax In England, Thesium Linophyllon, which has leaves like those of toad-flax.
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In literature:

What then is toadflax?
"Martin Pippin in the Apple Orchard" by Eleanor Farjeon
This is the ivy-leaved Toadflax.
"Wildflowers of the Farm" by Arthur Owens Cooke

In news:

I found some highly unusual gourds at Toadflax on Route 9 in South Glens Falls.