St. John's wort is a herbaceous plant stems which are usually dihedral or tetrahedral. Rhizome St. John's wort is thin and highly branched, and numerous leaves ovate, or slightly elongated. Even from a distance, St. John's wort can be spotted by its fairly large flowers. They are bright yellow, with five petals. In most species of St. John's wort flowers gathered in clusters, rarely solitary.
On the territory of Russia spread several types of St. John's wort. If you are planning to stock them as medicines, you need St. John's wort, which is not the most common. To distinguish it from a fellow St. John's wort square, elegant or gustavoleao, pay attention to the leaves of the plant. They should be egg-shaped, with numerous bright inclusions – essential oil glands, similar to the small holes.
Differ between Hypericum perforatum and flowers. They are large, with smooth narrow sepals. If the inflorescence of St. John's wort to RUB between your fingers, the pollen will stain the skin reddish-purple color.
Look for St. John's wort should be bright forest and in forest clearings, river valleys, steppes and forest edges is the favorite place of growth of the plant. Especially St. John's wort is like a fresh felling.