Common bracken (Pteridium aquilinum L.)
Common bracken is a perennial plant from the family of Centipedes (Polypodiaceae).
Description:
Perennial rather tall fern with creeping woody, almost black rhizome and erect rounded stem. Leaves on long petioles, most often in whorls of three, dense, light green, triangular; lobes of the second order are oblong, pinnatipartite at the base. In spring, young leaves are twisted at the top; in summer, sporangia are found along the edges of the leaf lobes, merging into a continuous line under the curled edge of the leaf.
Contains active substances:
Bracken rhizome contains hydrocyanic and bracken-tannic acids, alkaloids, essential oil and pteraquilin.
Medicinal use:
Bracken rhizome is boiled and drunk for stomach pains, a decoction of the whole plant is used for tapeworms; a decoction of the aerial part of the plant is drunk for aching joints, for coughing.