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Herb : St. John's wort

(Botanical name: Hypericum perforatum)

Classification

History

St. John's wort is known to be most investigated medicinal plant which is usually used to reduce the depression.

It is the renowned herbal medicine world wide which helps in comforting mental level by reacting with some chemicals in brain.

This plant is a native to temperate and subtropical regions of North America, Europe, Asia Minor, Russia, India and china.

Plant Description

St. John's wort is a perennial plant and indigenous to Europe. It grows freely sometimes as weed in waste areas.

This plant grows to a height of 1 to 3 feet, bearing yellow coloured flowers.

The calyx and corolla is marked by black spots and lines, having five sepals and petals which appear in ovary pear shape.

Cultivation

This herbaceous perennial plant thrives in either summer or winter-dominant rainfall pattern.

It grows best at the altitude of 1500 m or more and prefers rainfall les than 500 mm.

Today this plant grows abundantly in Europe and all the parts of world.

Parts Used

Flowers

Constituents

St. John's wort contains hypericin and hyperforin.

Culinary uses

Names