Any of several European plants, of the genus Linaria, having two-lipped yellow flowers. / Any of several other plants in the family Plantaginaceae.

plural of toadflax

A perennial plant, common toadflax (Linaria vulgaris), with a raceme of pale yellow and orange flowers, native to most of Europe.

plural of yellow toadflax

(UK, Ireland) Any plant in the genus Thesium / (US) Comandra umbellata / (US) Geocaulon lividum

plural of bastard toadflax