Herbal
Glossary | Medicinal Glossary
| Herbal Preparations
St. John's Wort
Common Names
Amber Parts Usually UsedThe entire plant is dried for use. Usually the fresh flowers are used, but dried flowers are also used.
Description of Plant(s) and CultureA shrubby hairless, branched herbaceous perennial plant with a woody branched root produces many round stems which put out runners from the base. The Plant has a pale brown stem, top branches and oblong stalkless leaves that grow in pairs. On the perforated leaves are transparent spots (oil glands), that look like holes, but on the unperforated varieties are rust-colored spots and were believed by pious country folk to be the mark of the blood of St. John the Baptist. Also, the sap of the plant is reddish colored and represents the blood of St. John the Baptist. Flat topped cymes of yellow flowers, whose petals are dotted with black along the margins, appear from June to September. Each flower has five yellow petals with black dots on the margins and many yellow stamens. The fruit is a three celled capsule containing small, dark brown seeds. The whole plant has a turpentine-like odor. The flowers appear in late summer and are bright yellow. Plant grows Other varieties: Hypericum frodosum is a small deciduous shrub with similar flowers, also called Where FoundCommonly found in dry, gravely soils, fields, and sunny places in many parts of the world, including eastern North America and the pacific coast. Found on roadsides, waste places and a weed in some places. Found throughout Canada and much of United States. Was introduced from Europe.
Medicinal PropertiesAnalgesic, Folk remedy for bladder ailments, stab wounds, shingles, gout, furunculosis, skin ulcers, swellings, depression, or worms. The calming properties have been used quite successfully in treating bedwetting, insomnia, stress reactions, hysteria and other nervous conditions. An oil extract can be taken for stomachache, colic, intestinal problems, and as an expectorant for colds and/or congestion in the lungs. A tea made from the flowers is good for anemia, headache, insomnia, jaundice, chest congestion, and catarrh, neuralgia, and rheumatic aches and pains. Excellent for pus in the urine. Tea made from the herb has been used for uterine cramping and menstrual difficulties including irregular menstruation, pains following childbirth, suppressed urine, diarrhea, and dysentery. The oil extract makes a good external application for slow-healing cuts and burns, wounds, sores, bruises, tumors, vericose veins, boils, and other skin problems. It is applied as a liniment or poultice for sciatica, neuralgia and rheumatic pains.
Biochemical InformationContains active compounds volatile oils, tannins, resins, choline, pectin, flavonoids (including rutin), sitosterol, hypericin (a glycoside that is a red pigment), a polyphenolic favonoid derivative (hyperaside), and pseudohypericin. Recent studies have found that hypericin and pseudohypericin have potent anti-retroviral activity, without serious side effects. Being researched for treatment of AIDS.
Legends, Myths and StoriesThis herb has long been linked with magic. Its ancient name Fuga Daemonum testifies to its alleged ability to repel demons. (Fuga Daemonum or Scare Devil) The generic name, Hypericum, clearly shows that the herb was highly regarded as having power over evil spirits. It is taken from two Greek words, hyper and eikon ('over' and 'apparition'). From earliest times people have accepted as perfectly natural the idea that man has a body and a soul. At death the body was easily disposed of, but what to do with the soul or spirit was a different matter. Special rituals were developed and performed to honor the departed as fear of what the disembodied spirit could or would do to the living. The ritual was really a way for people to protect themselves from the wrath of the dead. The problem of demons and uncanny beings who had never lived among mortals was also handled by special rituals. One way to protect one's self was to use powerful plant magic, thus the use of Although used widely today as an herbal remedy for certain illnesses, wounds, etc., it was originally used for treating insanity, especially when demonic possession was suspected. Among some races it is still customary to burn the herb; the smoke and flame being considered potent for dispelling all types of evil influences. Rub the petals of the flowers between the fingers and red resin will ooze out, leaving a stain on the hands. Perhaps, according to legend dating back to the Middle Ages, that is why the plant was said to spring forth from John the Baptist's blood when he was beheaded.
UsesBedwetting, insomnia, hysteria, menstrual irregularity, stress, reactions, neuralgia, rheumatism, aches and pains, menstrual cramps, anemia, headaches, chest congestion, catarrh, nervous conditions, blood purifier, expectorant, slow healing wounds, blisters, scalds, diuretic, digestion stimulant, bladder ailments, swellings, stab wounds, shingles, gout, furuncles and carbuncles, skin ulcers, depression, worms, colic, intestinal problems, jaundice, thrombosis, phlebitis, embolism or pains following childbirth, mastitis, skin care for babies, mumps, ear infections, diarrhea, dysentery, vericose veins, sciatica, minor wounds.
Formulas or DosagesPrepare a standard infusion from the leaves and chopped stem. Used externally, this lotion heals blisters, scalds, and all minor wounds, but an oil of this herb is used as a soothing rub and as a dressing for wounds slow to heal. Dried aerial portions of the herb plant: one to two teaspoons per cup of boiling water, taken two to three times daily. Standard decoction or Steep 1 tsp. dried herb in Oil extract: Take How SoldCapsules or oil extracts. (The red dye of WarningCaution should be noted here, Contact dermatitis can be caused by pruning or gathering the plant. Not recommended for long term use, but safe in short term use. However, it is safer than some of the medications typically prescribed for anxiety, depression, and emotional problems. May be toxic to some people. Should be used with competent medical supervision.
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