butter-and-eggs linaria vulgaris, also called yellow toadflax or common toadflax, perennial herbaceous plant of the

butterandeggs linaria vulgaris yellow toadflax common perennial herbaceous plant plantaginaceae native eurasia north america invasive species genus spurred snapdragon flowering family temperate zone mediterranean region flaxlike leaves flowers are twolipped like snapdragons white green field lawn botany wild meadow pollen honey allergy summer orange nature natural nuttallanthus canadensis bears narrow showy seeds balkans banja koviljaca loznica