Hypericum myrtifolium, the myrtleleaf St. Johnswort, is a species of flowering plant in the St. John's wort family, Hypericaceae. It is endemic to the Southeastern United States. It was first described by Jean-Baptiste Lamarck in 1797.
Myrtleleaf St. John's wort is a small, erect shrub or subshrub growing up to 1 m (3 ft 3 in) tall. The stems are glaucous and green when young, becoming reddish brown with greyish bark, corky, or peeling in strips as it ages. The sessile, leathery leaves are evergreen, ...
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* Tota la informació es basa en investigacions científiques publicades