Centaurea cyanus (Cornflower, Bachelor's button, Bluebottle, Boutonniere flower, Hurtsickle, Cyani flower)
Also known as Cornflower, Bachelor's button, Bluebottle, Boutonniere flower, Hurtsickle, and Cyani flower the Centaura cyanus is a native of the UK, but also found in parts of Australia and North America.
The herb – which is often considered as a weed – contains flavonoids, coumarins and anthocyans.
One of the plant’s earliest uses is for treating conjunctivitis and reviving of tired eyes. The flowers are known to have emmenagogue, astringent, stimulant anti-inflammatory and tonic properties. The powered leaves made into a paste and applied to bruises help healing quicker and abate pain.
When Centaura cyanus is combined with comfrey, horsetail or plantain it becomes an effective antidote for scorpion poison. It also resists all type poisons and venoms.
The distilled water from the herb mixed with wine is an effective tonic against all types of infections and combats fevers caused by pestilence.
The juice from the herb is used for curing all types of ulcers, especially those of the mouth. When applied to the eyes, it reduces inflammation and heat and quickens the healing.