金丝桃又叫土连翘,属于藤黄科,共40属1000余种,我国8属87种。金丝桃为多年生草本或低矮灌木,高达1 m。全枝光滑无毛,多分枝,小枝对生,红褐色。叶对生,具透明腺点,长椭圆形,长3 cm~8 cm,宽1 cm~2.5 cm,上面绿色,下面粉绿色,无柄,叶基部稍报茎。花顶生,单生或成聚伞花序,直径3 cm~5cm,多黄色;雄蕊金黄色,多数,基部合生成5束。蒴果卵圆形。花期6月,果期8月。原产自我国黄河以南各省等地。日本也有。喜光,略耐 Hypericum also known as soil forsythia, belongs to the Garciniaceae, a total of 40 genera and 1000 species, China 8 genera and 87 species. Hypericum is a perennial herb or low shrub, up to 1 m. All branches smooth glabrous, many branches, twigs opposite, reddish brown. Leaves opposite, with transparent glandular dots, long oval, length 3 cm ~ 8 cm, width 1 cm ~ 2.5 cm, above the green, below the pink green, sessile, leaf base slightly reported to the stem. Flowers terminal, solitary or into a cyme, diameter 3 cm ~ 5cm, more yellow; stamens golden yellow, mostly, base together into 5 beam. Capsule oval. Flowering in June, the fruit of August. Originated from China’s southern provinces such as the Yellow River and other places. Japan also has. Hi light, slightly resistant