Centaurea cyanus L. syn. Cyanus arvensis Moench.

Corneflower 

English name: Corneflower 

Family: Asteraceae

Botanical characteristic: An annual herb 20 – 50 cm tall with a straight stem. The stem is angular, branched, covered with trichomes. The leaves are lanceolate, pinnately sheared. The flowers are bluish-purple in colour, forming a cluster. The fruit is an achene with a two-rowed peduncle.

Microscopic drawing:

The cuticle of the calyx petals contains characteristic two-celled trichomes (a).

Distribution: It occurs in fields, along roadsides, on sunny slopes.

DrugCyani flos

Harvesting method: The flowers of the field cornflower are collected from May to July. Flowers without a calyx (tongue-like petals) and flowers with a calyx without a stalk are collected at the beginning of flowering.

Drying: The flowers are dried naturally in thin layers in an airy and shady place. Artificially in a drying room, where the temperature must not exceed 35 °C.

Active substances: The cornflower flower contains mainly blue anthocyanin dyes based on cyanine. Flavonoids are relatively abundant. Chemically diverse gentian substances can also be assigned to the content.

Uses: Because of its bitter taste, cornflower can be used to aid digestion, but it is more commonly found in teas with a variety of uses, where it performs an aesthetic function because of the attractiveness of the blue flowers.

Selected herbal preparations: FYTO Herbal blend for good breath 20×1,5 g, HERBALMED HotDrink FORTE – Dr.Weis sachets 1×12 pcs, MÜLLER’S PASTILLS WITH SCOR. MAT.  C (for cough) 24 pcs.