Description: Grass provided with rizoma oblique with numerous radículas. The stem is turgid, tomentoso like all the plant. The leaves are lanceoladas, oblong. The basal ones arrange in rosette and caulinares, scattered, of ash-gray color, tomentosas. The flowers form a terminal small head with, ready afieltradas, clear leaves in star. The peripheral flowers are feminine and the power stations, masculine. The fruit is aquenio cylindrical, truncated, with hairs. It can reach the 25-30 cm. of height. It is collected in summer.
Note: Very well-known species, authentic symbol of the mountain, very is looked for to conserve it in dry. Of there the necessity of its protection. Also it is cultivated, although with little yield. She is own of alpine zones.