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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 ...
5. St. John’s Wort and Serotonergic Supplements. St. John’s wort is an herbal supplement often used to help manage depression, although research is still mixed on its efficacy. That said, it ...
The beetles Chrysolina quadrigemina, Chrysolina hyperici and the St. John's-wort root borer (Agrilus hyperici) feed on common St. John's-wort (H. perforatum) plants and have been used for biocontrol where the plant has become an invasive weed. [13] Hypericum species are the only known food plants of the caterpillar of the treble-bar, a species ...
Hypericum maculatum, commonly known as imperforate St John's-wort, [1]: 340 [2] or spotted St. Johnswort, [3] is a species of perennial herbaceous flowering plant in the family Hypericaceae. It is native to Europe and Western Asia where it grows in moist meadows.
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]
Hypericaceae is a plant family in the order Malpighiales, comprising six to nine genera and up to 700 species, and commonly known as the St. John's wort family. Members are found throughout the world apart from extremely cold or dry habitats. Hypericum and Triadenum occur in temperate regions but other genera are mostly tropical.
Hooker named the species scouleri to honor the naturalist John Scouler who accompanied David Douglas on his expedition to the Columbia river in the 1820s. [4] In English it is generally called Scouler's St. John's wort. [12] It is also called Western St. John's wort on occasion, [13] however this name is more commonly applied to Hypericum ...
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.