I HAVE extended my investigations on tutsan (Hypericum androsaemum)1 and have obtained from its leaves samples of hyperin (3-D (+) galactosidylquercetin)2–4, and from its berries nonacosane5. THE ripened seed capsules of tutsan (Hypericum androsemium) were dried, ground and extracted with petroleum ether (60°–80° C) followed by further extraction with acetone. The residue from the ...

Understanding the Context

Hypericum species are quite variable in habit, occurring as trees, shrubs, annuals, and perennials. Trees in the sense of single stemmed woody plants are rare, as most woody species have multiple stems arising from a single base. Hypericum, scientifically known as Hypericum perforatum, is a flowering plant commonly referred to as St. John’s Wort.

Key Insights

It is renowned for its therapeutic properties and is used in various forms for treating a range of conditions. Hypericum perforatum (Hypericaceae), known as Saint John’s wort (SJW), has been used in different systems of traditional medicine such as Chinese traditional medicine, Greek traditional medicine, and Islamic traditional medicine. It is one of around 400 species of Hypericum, which include herbs, shrubs, and trees, with different bloom times and cultural requirements. In nature, it is often found in open woods, bogs, hedge banks and grassland, dry sunny places, and usually on calcareous soils. Best known for its easy-going, long-flowering shrubs, the genus Hypericum is found worldwide and ranges from annuals to trees, taking in bog plants, alpines and herbaceous perennials.

Final Thoughts

Saint-John’s-wort, (genus Hypericum), genus of nearly 500 species of herbs or low shrubs in the family Hypericaceae that are native to temperate and tropical areas.