toadflax

noun

1. 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.
2. any plant of the same genus.

noun

1. 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