Hypericum
Genus of flowering plants known as St. John's worts / From Wikipedia, the free encyclopedia
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Hypericum /ˌhaɪˈpiːrɪkəm/ is a genus of flowering plants in the family Hypericaceae (formerly considered a subfamily of Clusiaceae).[3][4] The genus has a nearly worldwide distribution, missing only from tropical lowlands, deserts and polar regions.[5] Many Hypericum species are regarded as invasive species and noxious weeds. All members of the genus may be referred to as St. John's wort, and some are known as goatweed.[3] The white or pink flowered marsh St. John's worts of North America and eastern Asia are generally accepted as belonging to the separate genus Triadenum Raf.[6][7]
Hypericum | |
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Hypericum perforatum | |
Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Rosids |
Order: | Malpighiales |
Family: | Hypericaceae |
Tribe: | Hypericeae |
Genus: | Hypericum L. |
Species | |
Synonyms | |
Hypericum is unusual for a genus of its size because a worldwide taxonomic monograph[8] was produced for it by Norman Robson (working at the Natural History Museum, London). Robson recognizes 36 sections within Hypericum.