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st john wort
st. john wort
St. John's wort was named after St John's Day which falls on June 24, the approximate flowering season in the northern hemisphere. The plant is seen growing wild beside roadsides and hedges in Britain, Europe and Asia. It reaches up to a metre in height and has pale green leaves with black dots on the lower surface. The flowers are bright yellow with five petals. The whole plant above the ground is harvested when the plant is just flowering. The herb has a bitter astringent taste and an aromatic odour.
This herb contains many chemicals including a red pigment known as hypericin, as well as flavonoids, phenols, tannins and volatile oil.