Hypericum japonicum, also known as matted St. John's-wort or Japanese St. John's wort, is an annual herbaceous flowering plant in the St. John's wort family Hypericaceae, section Trigynobrathys.
H. japonicum is unusually small for a St. John's wort, growing only 2–5 cm (0.79–1.97 in) tall. Its stems are green and 4-angled, with 2–52 mm (0.079–2.047 in) long internodes that usually exceed the leaves. The leaves are sessile and spreading and are persistent. The species is 30-flowered with flowers branching ...
Tapez un symptôme ou une maladie et lisez des informations sur les herbes qui pourraient aider, tapez une herbe et voyez les maladies et symptômes contre lesquels elle est utilisée.
* Toutes les informations sont basées sur des recherches scientifiques publiées