| Hypericum oblongifolium | |
|---|---|
 | |
| Botanical illustration of H. oblongifolium by Henry Moon | |
Scientific classification  | |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Rosids |
| Order: | Malpighiales |
| Family: | Hypericaceae |
| Genus: | Hypericum |
| Section: | H. sect. Ascyreia |
| Species: | H. oblongifolium |
| Binomial name | |
| Hypericum oblongifolium | |
| Synonyms [2] [3] | |
| |
Hypericum oblongifolium, known as Pendant St. John's wort, is a species of flowering plant in Hypericum sect. Ascyreia.
The species is present from northern Pakistan east to central Nepal through the western Himalayas in hilly regions at elevations of 800–1200 meters above sea level. [4] [5] It is found in open areas or shady, moist places, sometimes being found in the undergrowth. [6]
The species is a shrub that grows from 50 to 120 centimeters tall. It is many-branched, and its branches are spreading or drooping or sometimes straggling. Its stems are red, 4-lined, and ancipitous when young, but later become terete. The stems are 15–50 mm long, meaning they are almost always shorter than the leaves. When the plant has bark it is a dark grey color. The leaves are sessile and are elliptical to oblong and are paler beneath the leaf. The lower ones are eventually deciduous. The leaves have laminar glands that are arrayed in short lines or streaks or dots, and their ventral glands can be dense or sparse varying from plant to plant. The species has groups of 1–3 flowers that come from an apical node and are corymbiform. The flowers are 35–65 millimeters in diameter and are stellate with ovoid buds that are obtuse to rounded. The petals appear bright yellow to bright yellow-orange and grow to be around 20 by 15 millimeters in size. The stamen fascicles each have about 30 stamens, with the longest being 15–20 millimeters long with yellow anthers. The seeds are a dark reddish-brown and are 1-1.2 millimeters long. [7] [6]
The species' flowering period typically lasts from March to August. [8]
Hypericum oblongifolium extract has traditionally been used as a treatment for numerous ailments, including hepatitis, gastric ulcers, and bee stings. In addition, its extract has also been used as a dressing for external wounds and as a sedative, antispasmodic, and antiseptic. [9]
More recently, methanol extracts from H. oblongifolium have been tested for their analgesic properties, with the raw extract from the plant being proven to have significant analgesic properties. However, no widespread usage of the plant strictly as an analgesic has yet been recorded. [10] [11]
Besides its medical uses, the extract that comes from the roots of the species can be used to create a yellow dye that is sometimes harvested in local regions where the species can be found.
Hypericum perforatum, commonly known as St John's wort, is a flowering plant in the family Hypericaceae. It is a perennial plant that grows up to one meter tall, with many yellow flowers that have clearly visible black glands around their edges, long stamens, and three pistils. Probably a hybrid between the closely related H. attenuatum and H. maculatum that originated in Siberia, the species is now found worldwide. It is native to temperate regions across Eurasia and North Africa, and has been introduced to East Asia, Australia, New Zealand, and parts of North and South America. In many areas where it is not native, H. perforatum is considered a noxious weed. It densely covers open areas to the exclusion of native plants, and is poor grazing material. As such, methods for biocontrol have been introduced in an attempt to slow or reverse the spread of the species.
Hypericum is a genus of flowering plants in the family Hypericaceae. The genus has a nearly worldwide distribution, missing only from tropical lowlands, deserts and polar regions. Many Hypericum species are regarded as invasive species and noxious weeds. All members of the genus may be referred to as St. John's wort, and some are known as goatweed. The white or pink flowered marsh St. John's worts of North America and eastern Asia are generally accepted as belonging to the separate genus TriadenumRaf.
Triadenum, known as marsh St. John's worts, is a small genus of flowering plants in the family Hypericaceae. The genus is characterized by opposite, blunt-tipped leaves and pink flowers with 9 stamens. They are distributed in North America and eastern Asia.
Hypericum anagalloides is a species of flowering plant in the St. John's wort family Hypericaceae. It is known by the common names creeping St. John's-wort, tinker's penny and bog St. John's-wort.
Hypericum canariense is a species of flowering plant in the family Hypericaceae known by the common name Canary Islands St. John's wort. It is the sole member of Hypericumsect. Webbia.
Hypericum olympicum, commonly known as the Mount Olympus St. John's wort, is a species of flowering plant in the family Hypericaceae found in the Balkans and Turkey and introduced to western Europe. It has been widely cultivated for centuries because of its large, showy flowers, which are far larger than those of most other species in Hypericum.
Hypericum grandifolium is a species of flowering plant in the St. John's wort family Hypericaceae. It is native to Madeira and the Canary Islands. It is an evergreen shrub up to 1.8 m in height, with dark green, leathery leaves covered with warty glands, and bright yellow flowers up to 4.5 cm broad. It is an important constituent of the shrub layer in the laurisilva of La Gomera.
Hypericum acmosepalum is a dwarf shrub in Hypericumsect. Ascyreia that is native to China and known as jian e jin si tao locally.
Hypericum aegypticum is a species of flowering plant of the St. John's wort family (Hypericaceae) which is native to the Eastern Mediterranean. It was described by Carl Linnaeus in the second volume of his Species Plantarum in 1753, who named it after Egypt despite it not being distributed there. The plant is commonly known as shrubby St. John's wort or Egyptian St. John's wort in English. Like other members of section Adenotrias, it is found among limestone rocks in coastal areas. While it has been evaluated as threatened on the island of Malta, the species has no legal protections.
Hypericum boreale, also known as northern St. John's-wort, is a short-lived perennial species of flowering plant in the family Hypericaceae, section Trigynobrathys.
Hypericum punctatum, the spotted St. John's wort, is a perennial herb native to North America. The yellow-flowered herb occurs throughout eastern North America into southern Canada. The process of microsporogenesis carried out by this plant is prone to errors in chromosomal segregation. It has a diploid number of 14 or 16. Insects are attracted to the plant's pollen and the hypericin in the plant's leaves is toxic to mammals.
Hypericum edisonianum, known as Arcadian St. John's wort, Edison's St. John's wort, and Edison ascyrum, is a species of flowering plant in the St. John's wort family, Hypericaceae. It is endemic to Florida.
Hypericum lancasteri, known as Lancaster's St. John's wort or as zhan e jin si tao in Chinese, is a species of flowering plant in the St. John's wort family Hypericaceae. The species has been awarded the Royal Horticultural Society's Award of Garden Merit.
Hypericum patulum, known as goldencup St. John's wort or yellow mosqueta, is a species of flowering plant in Hypericumsect. Ascyreia.
Hypericum formosissimum is a species of flowering plant in the family Hypericaceae, section Adenosepalum, in the Hypericum huber-morathii group.
Hypericum przewalskii, commonly called Przewalski's St. John's wort, is a flowering plant in Hypericumsect. Roscyna that is native to China.
Hypericum virginicum, the marsh St. Johns-wort or Virginia marsh St. Johnswort, is a species of flowering plant in the family Hypericaceae. It is native to the central and eastern United States and eastern Canada.
Hypericum coris, the heath-leaved St. John's wort, also called yellow coris, is a species of flowering plant in the family Hypericaceae, and is the type species of sect. Coridium. It is a low shrub, and it is found in Switzerland and northwestern Italy. The species has been a popular garden plant since the 18th century, valued for its long flowering period and for how well it adapts to cultivation.
Hypericum elodeoides, commonly called the Himalayan St. John's Wort, is a species of flowering plant of the St. John's wort family (Hypericaceae).
