Hypericum perforatum - Wikipedia
Hypericum perforatum, commonly known as St John's wort (sometimes perforate St John's wort or common St John's wort), is a flowering plant in the family Hypericaceae. It is a perennial plant that grows up to 1 metre (3 ft 3 in) tall, with many yellow flowers that have clearly visible black glands around their edges, long stamens (male ...
贯叶连翘（金丝桃科金丝桃属植物）_百度 ... - 百度百科
贯叶连翘（Hypericum perforatum L.）是金丝桃科、金丝桃属多年生草本植物，高可达厘米，全体无毛。 茎直立，多分枝，叶无柄，叶片椭圆形至线形，先端钝形，边缘全缘，背卷，上面绿色，下面白绿色，脉网稀疏，不明显。
Hypericum perforatum - North Carolina Extension Gardener …
Leaves are about 1 inch long and 1/3 of an inch across. They are oblong, hairless, and sessile. The surface of these leaves is perforated by numerous translucid dots, and there are often scattered black dots along the margin of the lower surface. Contains 2 to 4 (up to 6) ridges on newer growth, smooth and rounded on older growth.
Hypericum perforatum — common St. John's-wort - Go Botany
Native Americans used common St. John's-wort to treat a variety of medical conditions, and it is widely used today in herbal medicine as an antidepressant. Anthropogenic (man-made or disturbed habitats), meadows and fields, shores of rivers or lakes. Non-native: introduced (intentionally or unintentionally); has become naturalized.
The pale green or yellow-green leaves have scattered translucent dots that make the leaf look perforated when held up to the light. The species name for this plant, perforatum, denotes this characteristic. The branches are sharply ridged below the base of each leaf.
Medical Attributes of St. John’s Wort (Hypericum perforatum)
2008年7月8日 · St. John’s wort (SJW), known botanically as Hypericum perforatum, is a sprawling, leafy herb that grows in open, disturbed areas throughout much of the world’s temperate regions. The use of this species as an herbal remedy to treat a variety of internal and external ailments dates back to the time of the ancient Greeks.
Hypericum perforatum (St John's wort) | CABI Compendium
2015年6月22日 · Dwarf St. John's wort (Hypericum mutilum), also described by GISD (2015) as ‘similar’ is a smaller plant, half the height of H. perforatum, with a one-chambered capsule unlike H. perforatum which has a three-chambered capsule. This species is native to North America but has been spread to other countries.
Hypericum - Wikipedia
Nearly all leaves of Hypericum species are arranged opposite and decussate, an exception being section Coridium in which whorls of three to four leaves occur. The leaves lack stipules and can be sessile or shortly petiolar, though long petioles exist in …
Common St. Johnswort (Hypericum perforatum) distribution from USDA-NRCS PLANTS Database. Adaptation: St. Johnswort is perhaps most commonly found in grasslands, pastures, meadows, and rangelands. But it also occurs in forested areas that have been disturbed by fire, logging, or road construction.
Hypericum perforatum: Traditional uses, clinical trials, and drug ...
Hypericum perforatum, known as Saint John’s wort, is a medicinal plant widely used for psychiatric problems. Hence, most of the clinical trials performed on SJW are related to psychological problems.