Botanical Basics
- Common Name(s): Licorice, Sweet Root, Liquorice
- Folk Name(s): Glycyrrhiza, Sweet Wood, Gan Cao (Chinese), Yashtimadhu (Ayurvedic)
- Scientific/Latin Name: Glycyrrhiza glabra (most common medicinal species)
- Family: Fabaceae (Legume family)
- Plant Type: Perennial herbaceous plant
- Botanical Description: Grows 3–5 feet tall with pinnate leaves bearing 9–17 leaflets, violet to pale blue flowers, and long woody stoloniferous roots which are harvested for medicinal use. Roots are yellowish-brown outside, sweet, and fibrous within.
- Growing Zones/Climate: USDA zones 7–10; prefers warm temperate to subtropical climates.
- Best Zones for Growth: Mediterranean, Middle East, parts of Asia, and U.S. Southwest.
- Habitat & Range: Native to Southern Europe and Asia; cultivated globally in dry, sunny regions.
Cultivation & Harvest
- Soil & Sun Requirements: Prefers deep, well-drained sandy or loamy soils; thrives in full sun.
- Propagation: Grown from root cuttings or seed (requires scarification for germination).
- Companion Planting: Benefits from nitrogen-fixing plants; pairs well with herbs needing similar conditions (fennel, sage).
- Harvesting Guidelines: Roots are harvested after 3–4 years of growth when rich in active compounds; typically dug in autumn.
- Drying/Preservation: Roots are cleaned, cut, and dried in the sun or dehydrators; stored in airtight containers.
Traditional & Historical Use
- Cultural Significance: Known as one of the world’s oldest herbal medicines, used in Egypt (in tombs of pharaohs), Greek medicine (Hippocrates), Chinese Traditional Medicine, and Ayurveda.
- Traditional Medicine: Used to soothe coughs, treat ulcers, and as a harmonizer in herbal formulas (especially in Chinese medicine, where it “balances” other herbs).
- Symbolism: Represents harmony, longevity, and bridging the gap between opposites (sweetness balancing bitterness).
Medicinal & Practical Properties
- Active Constituents: Glycyrrhizin (up to 50 times sweeter than sugar), flavonoids, saponins, coumarins, polysaccharides.
- Medicinal Uses: Expectorant, demulcent (soothes mucous membranes), anti-inflammatory, adrenal tonic, digestive aid, ulcer treatment. Used for sore throats, bronchitis, gastritis, ulcers, and fatigue.
- Preparation Methods: Decoctions, tinctures, syrups, teas, powdered extracts, lozenges.
- Dosage & Guidelines:
- Decoction: 1–2 tsp dried root per cup water, simmer 10–15 min, up to 3× daily.
- Tincture: 2–4 ml up to 3× daily.
- Standardized extract: follow product guidelines.
- Safety/Precautions: Prolonged/high doses can cause water retention, high blood pressure, and potassium loss. Not recommended for people with heart disease, hypertension, or kidney issues. DGL (deglycyrrhizinated licorice) is safer for long-term use for digestive issues. Avoid during pregnancy in medicinal doses.
Magical & Spiritual Properties
- Elemental Association: Water and Air
- Planetary/Deity Correspondence: Venus, Mercury; associated with love and communication deities (Aphrodite, Hermes).
- Magical Correspondences: Love, lust, fidelity, persuasion, harmony, protection.
- Ritual Use: Added to love charms and sachets; chewed or burned to strengthen speech, communication, or persuasive magic. Carried for fidelity or protection during travels.
- Symbolism in Divination/Dreams: May symbolize the need to “sweeten” a situation, strengthen bonds, or ease conflict.
Ecological & Culinary Uses
- Pollinator Value: Flowers attract bees and other pollinators.
- Wildlife Uses: Provides habitat and soil stabilization through deep root systems.
- Culinary Uses: Used as a natural sweetener, flavoring in candies, lozenges, teas, liqueurs, and tobacco products. True licorice flavor is distinct from anise or fennel (which are often substituted in modern candies).
Household/Practical Uses
- Quick Uses: Soothes sore throats, adds sweetness to teas, blends well with bitter herbs to improve palatability.
- Notable Traits: Harmonizer in traditional medicine systems—balances strong herbal formulas.
- Special Notes: True licorice is distinct from flavored “licorice” candies, which often use anise oil instead.
Fast Facts
- Known as the “sweet root” since antiquity.
- Widely used across Chinese, Ayurvedic, and Western herbal traditions.
- DGL (deglycyrrhizinated licorice) is commonly used for stomach issues to avoid blood pressure side effects.
📖 Supporting Notes
- Chevallier, A. Encyclopedia of Herbal Medicine (2016).
- Duke, J.A. Handbook of Medicinal Herbs (2002).
- Kapoor, L.D. Handbook of Ayurvedic Medicinal Plants (1990).
- USDA Plants Database.
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