Introduction of Collisonia:Northern Horsebalm or Stone root.

Popular Herbs. ✵The article gives records of the herb Collisonia, its English name, Latin name, common names, property and flavor, its botanical source two plant species, ①.Collisonia canadensis 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 Collisonia, its pharmacological actions, medicinal efficacy, and administration guide.

Collisonia(Stone root).

 English Name: Collisonia.
 Latin Name: Collisonia canadensis L.
 Common Names: Horse-balm, Horseweed, Northern Horsebalm, Ox balm, Pilewort, Richweed, Stone root, Canadian horsemint, Knob root, Knobweed, etc.
 Property and flavor: The whole plant has a strong disagreeable odor and a pungent spicy taste, the foliage is strongly aromatic, with a lemon scent.

 Brief introduction: Collisonia is a plant of the mint family, its leaves have a lemony scent, the herb is commonly known as stone root, traditionally it was used to induce perspiration, and as a diuretic.

 Botanical source: Common herbal classics defined the herb Collisonia as the dried rhizome and roots of the species (1).Collisonia canadensis L. It is a plant species of the Collinsonia genus, the Lamiaceae family (Labiatae, mint family). The dried rhizome and roots are used medicinally. This commonly used species is introduced:

(1).Collisonia canadensis L.

 Botanical description: Collinsonia canadensis is a perennial plant that can grow up to 80 cm tall, sometimes it grows 90 to 120 cm high. It has a very hard rhizome, the rhizome is grayish brown and fibrous, about 8 cm long. The shoots have few side shoots, glabrous, the bark is very thin, and the leaves in the upper part are light green, glabrous, broad, cordate, turning narrower and shorter.

 Its flowers are greenish-yellow to dirty-yellow, labiate, with red venation on the inside in richly blossomed panicles. The upper lip has an obtuse tip, the side tips of the lower lip are small and rounded, and the middle tips are larger and fringed. The calyx is acuminate and has 2 stamens. The fruit is a small globose nutlet. The flowers exude a lemony scent.

 Ecological environment: Collinsonia canadensis is native to the Eastern area of the North American continent, from Canada to the Carolina in USA (the United States of America), it is also found in Central Europe.

 Growth characteristics: Collinsonia canadensis grows in damp woods, it prefers sandy peat in a moist situation, but it is easily grown in ordinary garden soils. This plant attracts birds, moths, and bumblebees.

 Characters of herbs: Stone root is the rhizome and root of Collinsonia canadensis, herb is harvested from the wild for local use as a medicine, it is gathered in autumn and dried.

 Pharmacological actions: ①.astringent; ②.diuretic effect; etc.

 The herb collisonia is used as an astringent for its component tannins, but its potency is difficult to determine, as there is no specific information on its concentrations. The root has stomachic, tonic, and diuretic effects, probably due to the presence of the essential oil and rosmaric acid.

 Medicinal efficacy: Traditionally the herb Collisonia was used by Native Americans to induce perspiration and to lower fevers, antispasmodic, sedative and tonic, as a diuretic to increase urine production and apply in fluid retention and bladder or kidney stones, and hemorrhoid treatment. Today it is also recommended by herbalists for cuts, bruises, burns, and sores. In folk medicine, stone root is used for gastrointestinal disorders, kidney stones, and bladder inflammation, in homeopathic application its preparations are used for hemorrhoids and constipation.

 Administration of Collisonia (Stone root): 
Reference: Administration Guide of Collisonia (Stone root)
Herbal classic books: In North America, the herb tincture is taken in doses of 2 to 8 milliliters, and liquid root extract is taken in doses of 1 to 4 milliliters. In Europe, the herb is recommended generally used as a single dose, 1 to 4 grams, internally as an infusion, for homeopathic dosages, 5 to 10 drops, 1 tablet, or 5 to 10 globules 1 to 3 times daily, or 1 ml injection solution sc twice-weekly.
 Contraindications, Precautions and Adverse Reactions: Do not ingest fresh leaves preparations, as even very small doses may cause vomiting. There are no reports of toxic reactions to collisonia appear, so little scientific information is available that moderation may be the best approach.

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