Introduction of Bogbean:bog myrtle or marsh clover.
✵The article gives records of the herb Bogbean, its English name, Latin name, common names, property and flavor, its botanical source plant species, ①.Menyanthes trifoliata L., with a detailed introduction to the botanical features of this plant species, the growth characteristics, and ecological environment of this plant species, the features of the herb Bogbean, its pharmacological actions, medicinal efficacy, and administration guide.
English Name: Bogbean.
Latin Name: Menyanthes trifoliata L.
Common Names: Buckbean, marsh trefoil, bog myrtle, brook bean, marsh clover, moonflower, trefoil, water shamrock.
Property and flavor: cool nature, tastes sweet and bitter.
Brief introduction: Menyanthes trifoliata is a perennial plant that can grow up to 0.25 meters tall. It is harvested from the wild for local use as food and medicine. The large, three-part, grayish-green leaves emerge off a jointed, creeping underground stem. Spikelike clusters of dense pink and white flowers appear in late spring. The dried leaves and occasionally the dried roots are used medicinally.
Botanical source: Common herbal classics defined the herb Bogbean as the dried leaves of the species (1).Menyanthes trifoliata L. It is a plant species of the Menyanthes genus, the Menyanthaceae family. The dried leaves and dried roots are used medicinally. This commonly used species is introduced:
(1).Menyanthes trifoliata L.
Botanical description: Menyanthes trifoliata is a perennial marsh plant. The creeping rhizomes are thick and yellow-brown, with membranous scaly leaves on the nodes. All the leaves are basal, protruding out of the water, with three compound leaves, oval leaflets, 2.5~8 cm long and 1.2~4 cm wide, with rounded apex, wedge-shaped base, whole edge or microwave-like edge, obvious midrib, no petiole, the total petiole is 12~20 cm long, and a wide sheath at the lower part. Scapes are drawn from the axils of scaly leaves at the top of rhizomes, 30~35 cm high; Racemes with many flowers; Bracts are ovate, 5~7 mm long, the apex is obtuse, entire edge; Pedicle is obliquely extending, 1~1.8 cm long; 5 flowers; Calyx is 4~5 mm long, splitting to near base, calyx tube is very short, lobes are ovate, the apex is blunt, veins are not obvious; The corolla is white, tubular, 14~17 mm long, the upper inner mask is white with long tassel hairs, the rest is smooth, the lobes are elliptic and lanceolate, 7.5~10 mm long, and the apex is blunt; Stamens inserted in the middle of the crown tube, neat, flat and linear filaments, 5.5~6.5 mm long, anthers are arrow-shaped and 1.8-2 mm long; Ovary is sessile, oval, 3~4 mm long, the apex is blunt, style is linear, 6~7 mm long stigma, 2-lobed, oblong lobes. The capsular fruit is spherical, 6~7 mm long; the Seeds are swollen, round, 2~2.5 mm long, the surface is smooth, and its flowering and fruiting period is from May to July.
Ecological environment: Menyanthes trifoliata is widely distributed in temperate regions of the northern hemisphere. It favors bogs and other wet environments. It grows in temperate regions of the northern hemisphere, including many parts of North America. In Europe, it distributes in UK (the United Kingdom), and from Scandanavia south and east to Spain, North and Central Asia, and Morocco.
Growth characteristics: Menyanthes trifoliata grows in communities in swamps, shallow water on the edges of ponds, and in marshy ground, usually in acid soils, succeeds in water up to 30 cm deep. Dislikes shade. Plants can be very invasive, spreading through long-creeping thick surface rhizome.
Characters of herbs: The length of the whole herb is 20~30 cm. The rhizome is long and jointed. The upper end of the rhizome has long leaves, three compound leaves, long petioles, and sessile leaflets. The whole leaves are slightly thick, slightly fleshy, oblong, 4~8 cm long, and 2~4 cm wide, with a blunt apex, wedge-shaped base, and microwave-shaped upper leaf edge. There are flower stems at the top of the rhizome, unbranched, up to 35 cm long, and racemose inflorescence. The herb has a slight odor, and tastes slightly bitter.
Pharmacological actions: ①.stimulates saliva and gastric juices; ②.irritate the stomach; ③.liver protective;etc.
Related studies proposed the bitter components in bogbean secoridoid glycosides stimulates saliva and gastric juices, its tannins can irritate the stomach, and thus its preparations are recommended to treat indigestion and appetite loss. Its components scoparone and scopoletin are found liver protective, stimulate the production of bile, eliminate inflammation, reduce stomach spasms, etc.
Medicinal efficacy: The herb bogbean is traditionally recommended as a bitter digestive tonic since the 17th century to stimulate the appetite, increase the secretion of gastric juices and bile, and soothe digestive system upset. In Europe, it is recommended to people as a general tonic for recovery from exhaustion after an operation or infectious illness. Traditionally it was recommended to eliminate fever, worms, skin diseases, bleeding, malaria, liver ailments, rheumatism, boost health, laxative, etc. In Europe, the herb is approved for dyspeptic complaints and loss of appetite, in folk medicine, it is recommended for diseases of the digestive system and fevers.
In TCM works, the herb is recorded with functions clear heat and prompt diuresis, replenish the stomach, relieve uneasiness of mind and body tranquilization, it is indicated for gastritis, dyspepsia or indigestion, cholecystitis, jaundice, hypertension or high blood pressure, palpitation, insomnia, etc.
Administration of Bogbean (Buckbean, marsh trefoil):
Administration Guide of Bogbean (Buckbean, marsh trefoil)
Herbal classic books and TCM books:
In North America, the herb tea is advised to prepare using half to 1 teaspoon of finely chopped dried leaves and is drunk one-half hour before meals. In Europe, the herb infusion is advised to prepare with 0.5 to 1 grams of the finely cut herb or place the herb in cold water and bring rapidly to boil, allow either preparation to steep for 5 to 10 minutes, then strain. The average daily dose is 1.5 to 3 grams of the herb. The dosage for the infusion is a half cup, unsweetened, before each meal. In TCM works, the herb is recommended 2 to 4 Qian (about 6~12 grams).
Contraindications, Precautions and Adverse Reactions: Many people have reportedly used it over the centuries to no apparent ill effect. In general, it is cited no known side effects or situations in which the herb should not be used. But British health authorities recommend it should be avoided for those who suffer from diarrhea, or infectious diarrhea. Use the dried leaves or roots, as the fresh plant can cause vomiting. The herb is contraindicated for patients with diarrhea, dysentery, or colitis. Symptoms of overdose include vomiting and diarrhea.
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1.Introduction of Bogbean:bog myrtle or marsh clover.