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( Knapweed)


Knapweed medicinal plant




Detail of the plant with the inflorescent

Daniel M. Bou


Common noun: .Rough Star-thistle, knapweed

Scientific noun: Centaurea aspera L.

Family.Daisy family - compositae.

Habitat: Dry places with grass. Uncultivated lands.

Characteristics: : A very ligneous plant till 50 cm tall. Stems hairy below. Very rough leaves ; lower ones stalked and divided; upper ones without stalks toothed or undivided. Big ,single flower- heads till 2 cm wide of white or purple flowers.


Medicinal properties:

Internal use

Hypoglucemiant: ( It diminishes the quantity of sugar in the blood and urine) Infusion of the flower heads twice a day , in the morning and before going to bed. It is a very bitter infusion that must be taken without any kind of sugar or sweet. It is advisable to analyze the levels of sugar in the body after two weeks of treatment to decide the amount of plant that must must be used in the infusion.

Picking up and storing: The plant must be collected in Spring when in full bloom. It must be stored in dark place in a clean airtight container.

More information about natural medicine in the listing above.


The information given is informative. In case of doubt, consult the doctor.
"Botanical" is not responsible for damages caused by self-medication.

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