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  2. Hypericum perforatum - Wikipedia

    en.wikipedia.org/wiki/Hypericum_perforatum

    Hypericum perforatum, commonly known as St John's wort (sometimes perforate St John's wort or common St John's wort), is a flowering plant in the family Hypericaceae.It is a perennial plant that grows up to 1 metre (3 ft 3 in) tall, with many yellow flowers that have clearly visible black glands around their edges, long stamens (male reproductive organs), and three pistils (female reproductive ...

  3. Hypericum suffruticosum - Wikipedia

    en.wikipedia.org/wiki/Hypericum_suffruticosum

    Hypericum suffruticosum, known as pineland St. John's-wort, [3] [4] is a species of flowering plant in the St. John's wort family, Hypericaceae. [5] It is native to the Southeastern United States . [ 6 ]

  4. Hypericum yezoense - Wikipedia

    en.wikipedia.org/wiki/Hypericum_yezoense

    Hypericum yezoense [a], the Yezo St John's wort, is a species of flowering plant in the St John's wort family Hypericaceae. Native to Japan, Sakhalin, and the Kurils, the plant can be found among rocks and in grasslands. It is a perennial herb with many stems and small flower clusters.

  5. Hypericum densiflorum - Wikipedia

    en.wikipedia.org/wiki/Hypericum_densiflorum

    Hypericum densiflorum, also known as bushy St. John's wort or dense St. John's wort, is a perennial herb in the flowering plant family Hypericaceae native to North America. The specific epithet densiflorum is Latin , meaning "densely flowered", referring to the many-flowered cymes .

  6. Hypericum majus - Wikipedia

    en.wikipedia.org/wiki/Hypericum_majus

    Hypericum majus, the greater Canadian St. John's wort, is a perennial herb native to North America. The specific epithet majus means "larger". The plant has a diploid number of 16.

  7. Hypericum olympicum - Wikipedia

    en.wikipedia.org/wiki/Hypericum_olympicum

    Hypericum olympicum, commonly known as the Mount Olympus St. John's wort, [2] [Note 1] is a species of flowering plant in the family Hypericaceae found in the Balkans and Turkey and introduced to western Europe.

  8. Hypericum frondosum - Wikipedia

    en.wikipedia.org/wiki/Hypericum_frondosum

    Hypericum frondosum, the cedarglade St. Johnswort or golden St. John's wort, is a species of flowering plant in the St. John's wort family, Hypericaceae. [ 1 ] [ 2 ] [ 3 ] It is native to the central and southeastern United States in dry, rocky habitats.

  9. Hyperforin - Wikipedia

    en.wikipedia.org/wiki/Hyperforin

    Hyperforin is a phytochemical produced by some of the members of the plant genus Hypericum, notably Hypericum perforatum (St John's wort). [2] Hyperforin may be involved in the pharmacological effects of St. John's wort, [2] specifically in its antidepressant effects. [3] [4] [5]