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Acorus calamus

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Record ID:6

Naming

Botanical Name: Acorus calamus
Common Names: Eurasian sweet-flag; Sweet flag; Calamus; Sweet sedge; Flag root; Myrtle flag; Vacha
Key Name: Acorus
Parts Used: rhizome
Sister Plants: Acorus americanus; Acorus gramineus
Comments: Aromatic wetland perennial used across traditions for mind and digestion

Taxonomy

Kingdom Viridiplantae Phylum Streptophyta
Class Magnoliopsida Order Acorales
Family Acoraceae Genus Acorus
Species calamus NCBI Tax ID 4465
Organism Acorus calamus

Characteristics

Identifying Character: Sword-shaped Leaves; spadix inflorescence; rhizome with pink tinge; wetland habitat
Stem: Erect; triangular; up to 1 m; unbranched
Leaves: Linear; sword-shaped; parallel veins; sheathing base; bright green
Flowers: Small; greenish-yellow; spadix on leafless scape; early summer
Fruit: Berry-like capsules; few seeds
Taste: Bitter; Pungent; Aromatic
Odour: Aromatic; spicy; camphoraceous
Root: Creeping Aromatic rhizome; fibrous roots; reddish-pink interior; strong odor
Image:
Acorus calamus
GBIF — CC BY-NC-ND
Acorus calamus
GBIF — CC BY-NC-ND
Acorus calamus
GBIF — CC BY-NC-ND

Distribution

Distribution: North America; Europe; Asia; wetlands; temperate zones
Cultivation: Moist to wet soil; full Sun to partial shade; propagation by rhizome division
Harvest: Autumn; 3+ year rhizomes; dried in shade

Medical

Therapeutic Action: Herbal: Carminative; Sedative; Stimulant; TCM: opens orifices; transforms phlegm; Ayurvedic: medhya; nootropic; Naturopathic: Nervine; Digestive
Medical Uses: Herbal: Digestive disorders; Flatulence; memory support; TCM: Epilepsy; Phlegm Obstruction; Ayurvedic: vata disorders; anxiety; Naturopathic: IBS; Neuralgia
Constituents: beta-asarone">beta-asarone; alpha-Asarone">alpha-Asarone; eugenol">eugenol; camphor; asarone; Terpenes
Solvents: alcohol (tincture); water (Decoction)
Dosage: tincture 5-15 drops 3x daily; tea 1 cup 2-3x daily; capsule 300-500 mg
Administration: oral; tea; tincture; Topical oil">topical oil
Formulas:
Contraindications: Pregnancy; beta-Asarone Concerns; high doses; Epilepsy caution">epilepsy caution
Preparation: Decoction 10 min">decoction 10 min; infusion 15 min">infusion 15 min; tincture 1:5 40% alcohol
Chinese: Shi Chang Pu; pinyin: Shi Chang Pu; TCM opens orifices; classical formulas for phlegm and mind
Veterinary: Herbal: Digestive Tonic in livestock; TCM: phlegm in animals
Homeopathic: HOMEOPATHIC: 6C-30C for Neuralgia; memory issues

Pollination and Pollinators

Apis: No
Pollinator: flies; bees occasional
Pollen: No
Pollen Notes:
Nectar: No
Nectar Notes:

Other

Non-Medical Uses: perfume; insect repellent; fiber
Culinary Uses: flavoring in beverages; candied rhizome; Indian drinks
History: Ancient Egypt; India; Europe; indigenous wetland use; Ayurvedic classical texts
Reference: ENCY Home Page. Grieve A Modern Herbal 1931;Indian Materia Medica;Chinese Herbal Medicine Materia Medica
URL: https://en.wikipedia.org/wiki/Acorus_calamus
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