Noun
A genus of plants, generally with dotted leaves and yellow flowers; -- called also St. John's-wort.
Source: Webster's dictionaryBrattstrom, A. Long-term effects of St. John's wort (Hypericum perforatum) treatment: a 1-year safety study in mild to moderate depression. Source: Internet
Inducers of CYP3A4 such as St. John’s wort (Hypericum perforatum) preparations, phenobarbital, may decrease the plasma concentration of estrogens, possibly resulting in a decrease in therapeutic effects and/or changes in the profile. Source: Internet
"This large scale portrait of Hypericum Hadduck Hare was created for pages 18-19 of A Redwall Winters Tale by Brian Jacques and published by Philomel Books in 2001. Source: Internet
Somewhat less readily available but also wonderful wildlife supporting shrubs are the Hypericum revolutum and Senna pietersiana,” she said. Source: Internet
It is derived from a plant, Hypericum perforatum, and has been part of folk medicine for centuries. Source: Internet