Steinmetz:Centaurea

Centaurea calcitrapa

Also known as (or relevant to) Centaurea calcitrapa Calcitrapa stellata Family Leguminosae English Names Common Star Thistle Natural Habitat Europe Part(s) Used Folia Centaureae calcitrapae Flores Centaureae, calcitrapae Radix Centaureae calcitrapae

Constituent(s) calcitrapin centaurin = cnicin (bitter principles) gum resin potash calcitrapic acid Action leaf flower: febrifuge; root: diuretic; used for the same purposes as Silybum marianum

Centaurea centaurium

Also known as (or relevant to) Centaurea centaurium Centaurium majus Family Gentianaceae English Names Large Centaury Greater Knapweed Natural Habitat Southern Europe Part(s) Used Herba Centaurii majoris

Action bitter stomachic

Centaurea cyanus

Also known as (or relevant to) Centaurea cyanus Family Compositae English Names Cornflower (in Scotland: Blue Bonnet) Blue Bottle Natural Habitat Europe (mainly in corn fields especially Balkans) Part(s) Used Flores Cyani

Constituent(s) tannin cyanin (blue colouring matter) bitter principle potash salts cichorigenin resin mucilage Action diuretic emmenagogue tonic pectoral stimulant astringent febrifuge; used as a collyrium

Centaurea jacea

Also known as (or relevant to) Centaurea jacea Family Compositae English Names Harsh Knapweed Natural Habitat Europe Part(s) Used Herba Centaurii jaceae

Constituent(s) centaurin (bitter principle) carotin fatty matter potash magnesium phosphoric acid Action tonic vulnerary stomachic febrifuge diuretic

Centaurea montana

Also known as (or relevant to) Centaurea montana Family Compositae English Names Mountain-Centaury Natural Habitat Europe (in the mountains) Part(s) Used Flores Centaureae montanae

Constituent(s) cyanhydric acid Action used for the same purposes as Centaurea Cyanus

Centaurea nigra

Also known as (or relevant to) Centaurea nigra Family Compositae English Names Black Knapweed Natural Habitat Europe Part(s) Used Herba Centaurii nigrae

Action diuretic sudorific tonic

Centaurea scabiosa

Also known as (or relevant to) Centaurea scabiosa Family Compositae English Names Greater Knapweed Natural Habitat Europe Part(s) Used Herba Centaurii scabiosae

Action tonic vulnerary

Centaurea solstitialis

Also known as (or relevant to) Centaurea solstitialis Calcitrapa solstitialis Family Compositae English Names Yellow Star Thistle Natural Habitat Europe Rumania Southern Russia

Constituent(s) centaurin calcitrapic acid (amorphous bitter matter)