| Noun | 1. | Linaria vulgaris - common European perennial having showy yellow and orange flowers; a naturalized weed in North Americaflower - a plant cultivated for its blooms or blossoms genus Linaria, Linaria - genus of herbs and subshrubs having showy flowers: spurred snapdragon blue toadflax, Linaria canadensis, old-field toadflax - North American plant having racemes of blue-violet flowers |