|Scientific name:||Linaria vulgaris Mill.|
|Synonym name:||Antirrhinum linaria L.|
|Swedish name:||Gulsporre, flugblomster, flugblommor, gulsporreblomma, sporreblomma|
|German name:||Gewöhnliches Leinkraut|
|English name:||Yellow toadflax, Butter and eggs, wild snapdragon, common toadflax, ramsted, flaxweed, Jacob's ladder|
|Family:||Scrophulariaceae, Figwort family, Lejongapsväxter|
|Life form:||Perennial herb|
|Stems:||Height 15- 100 cm; erect, hairless, generally un-branched; mature plants may have 1 to 25 stems|
|Leaves:||Alternate but may appear opposite on the lower stem due to crowding; narrowly lanceolate; gray-green, soft, very numerous|
|Flowers:||bright yellow, alternately in dense spikes at the ends of stems and have a long spur extending from the base that is usually as long as the flower itself – in all, 2 to 3.5 cm long.|
|Flowering Period:||July, August, September|
|Fruits:||Capsule, elongated ovoid; seeds are winged, disk-shaped, dark brown to black|
|Distribution:||Throughout the country|
Derivation of the botanical name:
Linaria, Greek linum, flax; referring to the flax-like leaves.
Antirrhinum, from Greek anti (αντι), "like," and rhis (ριϛ, ινοϛ), "nose", inus (-ινοϛ), probably referring to the nose-like capsule in its mature state.