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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 elodes - Wikipedia

    en.wikipedia.org/wiki/Hypericum_elodes

    Hypericum elodes, commonly known as marsh St John's-wort, [3] is a species of flowering plant in the St. John's wort family Hypericaceae. It is native to Western Europe.

  4. Hypericum - Wikipedia

    en.wikipedia.org/wiki/Hypericum

    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 ...

  5. Hypericaceae - Wikipedia

    en.wikipedia.org/wiki/Hypericaceae

    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.

  6. Hypericum anagalloides - Wikipedia

    en.wikipedia.org/wiki/Hypericum_anagalloides

    Hypericum anagalloides is a species of flowering plant in the St. John's wort family Hypericaceae. It is known by the common names creeping St. John's-wort, tinker's penny [1] and bog St. John's-wort. It is native to western North America from British Columbia to California and Nevada, where it grows in wet areas such as mountain meadows and ...

  7. Hypericum punctatum - Wikipedia

    en.wikipedia.org/wiki/Hypericum_punctatum

    Hypericum punctatum, the spotted St. John's wort, is a perennial herb native to North America. [2] The yellow-flowered herb occurs throughout eastern North America into southern Canada. The process of microsporogenesis carried out by this plant is prone to errors in chromosomal segregation. It has a diploid number of 14 or 16.