It is a plant native to Spain, France, Italy, North Africa, Algeria, Morocco and Tunisia. Its scientific name is Linum suffruticosum, although it is popularly known as campanita, sessile flax, armed flax, flax with large white flowers, wild flax, woody flax, acute wild flax or yerba sanjuanera. It is characterized by having stems of 5 to 40 centimeters, extended or ascending, highly branched at the bottom. The leaves are linear with tightly rolled margins. The flowers are about 2 centimeters long, white in color and appear in spring and summer.