Description: Raised grass provided with smallest rizoma graft, provided with radículas. The stem is cylindrical and can exceed the half meter of height. The leaves, resemblances to those of the linen, from which the species takes the name, sésiles, are lanceoladas, linear, scattered. The flowers, of yellow color sulfur, are grouped in a terminal ear. They present/display a later spur. The capsule is elliptical and the seeds membranosas and are squashed. It grows frequently in wild state in the plain, next to the ways, in relatively humid places. It is collected in summer.
Way of use: Infusion, tinctures, liparolito, dusts.
Note: The plant provides a yellow colorante substance that formerly was used like colorante in weaves. In some zones, the primaverales buds eat after their boiling. The pomada one, obtained from the flowers, was used like oftálmica in the cases of irritation of the eyes. In the field still crushed cataplasms are used with of this plant for the healing of the light and recent wounds.