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Safety Overview
1.Wood Avens — Plant Snapshot
Wood Avens, scientifically known as Geum urbanum, is a resilient perennial herb belonging to the Rosaceae family, often reaching heights of 30 to 70 cm (12 to 28 inches). Its slender, wiry stems, frequently tinged reddish-brown, stand erect and are covered in fine hairs. The foliage exhibits considerable variation: basal leaves are pinnate with a large, wedge-shaped terminal leaflet and smaller intermediate pairs, while upper stem leaves typically feature three narrower leaflets. Distinctive, large, rounded, and coarsely toothed stipules are present at the base of the alternate stem leaves.
All leaves are a deep green and somewhat hairy. The small, cup-shaped flowers, blooming from late spring through autumn, present five rounded, spreading yellowish-white petals and a prominent cluster of yellow stamens, subtended by a ten-segmented calyx. These are succeeded by characteristic dark crimson achenes, each with a hooked awn, forming a round fruit head. The plant's rhizomatous roots are tough, fibrous, and emit a distinct clove-like aroma when freshly dug.
Geum urbanum is widely distributed across Europe, including Great Britain, parts of Russia, and Central Asia, commonly found in shaded or semi-shaded woodland margins, hedges, and wayside areas. It prefers moist, well-drained soils that range from slightly acidic to neutral pH, thriving in temperate environments.
Trusted Scientific References
1. Authoritative external sources for Geum urbanum
1.1 Wikipedia — Geum urbanum
1.2 Kew POWO (Plants of the World Online)
1.3 PubMed — peer-reviewed research
1.4 NCBI Taxonomy Browser
1.5 GBIF — Global Biodiversity
1.6Wood Avens should be interpreted through verified botanical identity, practical care, and responsible safety language. This recovery note adds the missing context needed for a complete profile: match light to the plant's habit, use well-drained soil, water according to season, and avoid unsupported medicinal or edible claims. For publishing, the plant can be presented as a source-backed medicinal plant with clear care guidance, common problem diagnosis, and conservative safety wording.
1.1.Wood Avens — Standout Qualities
- ✓Clove — like Aroma — Freshly dug roots emit a distinctive clove-like scent, attributed to eugenol.
- ✓Astringent Properties — High tannin content provides significant astringent and styptic actions.
- ✓European Native — Common in woodlands and hedges across temperate Europe and parts of Asia.
- ✓Rosaceae Family — A member of the rose family, related to potentilla and strawberries.
- ✓Historical Significance — Known as 'Herb Bennet' and 'Clove Root', with ancient medicinal and cultural uses.
- ✓Versatile Preparations — Utilized in infusions, decoctions, tinctures, and topical applications.
- ✓Digestive & Anti — inflammatory — Key traditional uses include soothing digestion and reducing inflammation.
- ✓Antioxidant Rich — Contains flavonoids and phenolic acids offering cellular protection.
- ✓Ornamental Value — Can be grown in shade gardens for its delicate yellow flowers and distinctive foliage.
- ✓Adaptable Growth — Thrives in moist, well-drained soils in partial to full shade.
1.2.Wood Avens — Snapshot Summary
- ✓Wood Avens (Geum urbanum) is a perennial herb from the Rosaceae family, known for its clove-scented roots.
- ✓Traditionally used as an astringent, anti-inflammatory, and digestive tonic.
- ✓Rich in eugenol, tannins, flavonoids, and other phenolic compounds.
- ✓Supports digestive health, immune function, and offers antioxidant protection.
- ✓Can be prepared as infusions, decoctions, or tinctures for internal and external use.
- ✓Generally considered safe in moderate doses, but caution advised for pregnant/nursing individuals and those on specific medications.
2.Wood Avens — Scientific Profile
3.Wood Avens — Reference Facts
4.Wood Avens — Structural Profile
5.Wood Avens — Where It Grows
6.Wood Avens — Historical Applications
7.Wood Avens — Secondary Metabolites
- ✓Volatile Oil — Primarily composed of Eugenol, which imparts the characteristic clove-like aroma and contributes to the plant's antiseptic and anti-inflammatory properties.
- ✓Tannins — Abundant, particularly in the root, responsible for the strong astringent effects, useful in reducing inflammation and stopping bleeding.
- ✓Glucosides — Including Gein, a bitter principle that may contribute to the tonic and digestive stimulant actions of the herb.
- ✓Flavonoids — A diverse group of polyphenols offering significant antioxidant and anti-inflammatory benefits, supporting cellular protection.
- ✓Phenolic Acids — Such as gallic acid and ellagic acid derivatives, which are powerful antioxidants and contribute to the plant's overall protective effects.
- ✓Saponins — Present in smaller quantities, potentially contributing to expectorant or adaptogenic properties, though less prominent.
- ✓Resins — Contribute to the plant's overall medicinal actions and can have mild antiseptic and protective qualities.
- ✓Gums — Polysaccharides that can offer soothing and demulcent effects, particularly beneficial for irritated mucous membranes.
- ✓Alkaloids — Present in trace amounts, these nitrogen-containing compounds may contribute to various physiological effects, though not typically considered primary active constituents.
- ✓Terpenoids — A broad class of organic compounds, some of which may contribute to the plant's aroma and therapeutic activities beyond eugenol.
8.Wood Avens — Modern Studies
- ✓Astringent Action — Wood Avens is highly valued for its astringent properties, primarily due to high tannin content, making it effective in toning mucous membranes and reducing excessive secretions in conditions like diarrhea and dysentery.
- ✓Anti-inflammatory Support — Rich in flavonoids and phenolic compounds, Geum urbanum exhibits anti-inflammatory effects that can help alleviate discomfort associated with various inflammatory conditions, both internally and externally.
- ✓Antioxidant Protection — The presence of potent antioxidants such as phenolic acids and flavonoids helps neutralize free radicals, protecting cells from oxidative damage and supporting overall cellular health.
- ✓Digestive Health Aid — Traditionally used as a stomachic, it helps soothe gastric irritation, improve digestion, and combat issues like indigestion and flatulence, contributing to a balanced gut environment.
- ✓Immune System Modulation — Its comprehensive phytochemical profile, including various bioactive compounds, supports the immune system, potentially enhancing the body's natural defense mechanisms against pathogens.
- ✓Febrifuge Properties — Historically employed to reduce fevers, particularly in cases of ague, chills, and intermittent fevers, by promoting diaphoresis (sweating) and aiding the body's natural thermoregulatory processes.
- ✓Styptic Qualities — The astringent nature of Wood Avens makes it useful as a styptic, helping to staunch minor bleeding, both internal (e.g., passive hemorrhages) and external, by constricting blood vessels.
- ✓Oral Hygiene and Breath Freshener — Chewing the fresh root has been traditionally recommended to combat foul breath due to its antiseptic and aromatic properties, which help neutralize odor-causing bacteria.
- ✓Skin Health Application — Applied topically as a wash, its astringent and antiseptic qualities can assist in clearing minor skin affections, such as spots, freckles, and eruptions, promoting clearer skin.
- ✓Liver Detoxification Support — A traditional decoction taken in spring was believed to act as a purifier, assisting the liver in removing obstructions and supporting its natural detoxification functions.
8.1.Wood Avens — Health Applications
9.Wood Avens — Adverse Effects
9.1.Wood Avens — Caution Notes
- ✓Gastrointestinal Upset — High tannin content may cause stomach irritation, nausea, or constipation in sensitive individuals or with excessive doses.
- ✓Allergic Reactions — Though rare, individuals sensitive to plants in the Rosaceae family may experience skin rashes or respiratory symptoms.
- ✓Iron Absorption Interference — Tannins can bind with non-heme iron, potentially reducing its absorption if consumed simultaneously with iron-rich foods or supplements.
- ✓Medication Interactions — Due to its styptic properties, it may theoretically interact with anticoagulant or antiplatelet medications, increasing bleeding risk.
- ✓Liver Discomfort — While traditionally used for liver support, very high doses or prolonged use without supervision might theoretically burden the liver, though specific evidence is lacking.
- ✓Dry Mouth — The astringent nature can lead to a sensation of dryness in the mouth or throat, especially with strong preparations.
9.2.Wood Avens — Risk Assessment
- ✓Pregnancy and Lactation — Due to insufficient safety data, Wood Avens is generally not recommended for use during pregnancy or breastfeeding.
- ✓Children — Use in children should be approached with caution and under the guidance of a qualified healthcare professional, as dosages are not well established.
- ✓Pre-existing Conditions — Individuals with chronic gastrointestinal issues, liver conditions, or bleeding disorders should consult a doctor before use.
- ✓Medication Interactions — Exercise caution if taking blood thinners, iron supplements, or medications for digestive issues; consult a healthcare provider.
- ✓Dosage Adherence — Always adhere to recommended dosages; excessive consumption may lead to adverse effects, particularly related to its astringent properties.
- ✓Quality Sourcing — Ensure the plant material is sourced from reputable suppliers to avoid contamination or misidentification, especially given its historical use as an Arnica adulterant.
- ✓Allergic Sensitivity — Individuals with known allergies to Rosaceae family plants (e.g., strawberries, apples) should use with caution due to potential cross-reactivity.
10.Wood Avens — Application Forms
- ✓Herbal Infusion (Tea) — Steep 1/2 oz (approx. 15g) of dried, powdered root or herb in 1 pint (approx. 500ml) of boiling water for 10-15 minutes, strain, and drink cold in wineglassful doses.
- ✓Decoction — For a stronger preparation, simmer 1/2 oz of powdered root in 1 pint of water, reducing it to half volume, then strain and cool. This is often used for more acute conditions or as a liver purifier.
- ✓Simple Tincture — Macerate 1 oz (approx. 30g) of bruised fresh or dried root in 1 pint (approx. 500ml) of 40-60% proof spirit for 14 days, shaking daily, then strain and filter. Dose is typically 2-3 teaspoons in water.
- ✓Compound Tincture — Combine Wood Avens root with other synergizing herbs like Angelica and Tormentil roots, along with raisins and French brandy, macerating for a month to create a potent cordial.
- ✓Topical Wash/Compress — Prepare a strong infusion or decoction, cool it, and use it as a wash for skin irritations, spots, or freckles, or soak a cloth for a compress on inflamed areas.
- ✓Culinary Flavoring — Fresh roots can be used to impart a pleasant clove-like flavor to ales, wines, or other beverages, historically also preserving them from souring.
- ✓Powdered Root — For specific conditions like ague, a drachm (approx. 4g) of powdered root can be taken every two hours, or 15-30 grains (approx. 1-2g) as a general tonic.
- ✓Fluid Extract — Available commercially, the usual dose for the herb is 1 drachm (approx. 4ml), and for the root, 1/2 to 1 drachm.
11.Wood Avens — Growing Guide
- ✓Site Selection — Choose a location with partial to full shade, mimicking its natural woodland habitat, though it can tolerate some sun in cooler climates.
- ✓Soil Preparation — Prefers moist, well-drained soils with a slightly acidic to neutral pH (6.0-7.0); enrich with organic matter like compost for optimal growth.
- ✓Planting — Can be propagated from seed sown in autumn or spring, or by dividing established rhizomes in early spring or late autumn.
- ✓Watering — Maintain consistent soil moisture, especially during dry spells, but avoid waterlogging, which can lead to root rot.
- ✓Fertilization — Generally low-maintenance; a light application of balanced organic fertilizer in spring can promote vigorous growth.
- ✓Pest and Disease Management — Wood Avens is relatively resistant to pests and diseases; ensure good air circulation to prevent fungal issues in humid conditions.
- ✓Harvesting — Roots are best dug in early spring (e.g., March) when their aromatic qualities are most pronounced; leaves and flowering tops can be harvested during bloom.
- ✓Climate Adaptability — Thrives in temperate climates across Europe and parts of Asia, tolerating mild winters and growing well in USDA hardiness zones 4-8.
Reviewed by the Flora Medical Global Botanical Review Panel
Multi-disciplinary editorial group · Botany · Ethnobotany · Herbal-medicine literature
Who reviewed this: This page was checked by the Flora Medical Global Botanical Review Panel — an in-house editorial group of botany graduates, ethnobotany researchers, and horticulture practitioners who collectively maintain our 7,000+ plant encyclopedia. Meet the team.
Our 4-step verification process
1. Taxonomic verification
Scientific names and synonyms cross-checked against Kew POWO, World Flora Online, and The Plant List.
2. Phytochemical & medicinal cross-reference
Active compounds, traditional uses, and reported activities are cross-referenced with PubMed, USDA Dr. Duke's database, and peer-reviewed ethnobotanical literature.
3. Conservation & distribution check
Distribution, ecology, and conservation status confirmed against GBIF occurrence records and the IUCN Red List.
4. Editorial & safety review
Every entry passes an editorial pass for clarity, originality, and safety notices (toxicity, contraindications, dosage caveats) before publication.
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Important medical disclaimer: This content is for educational and research purposes only. It is not medical advice and is not a substitute for consultation with a licensed healthcare provider. Do not use any herb to self-treat a medical condition without professional guidance.
Editorial Note: This page is for educational and research purposes only and is not medical advice.
Written by: Flora Medical Global Editorial Team
Reviewed by: Flora Medical Global Botanical Review Panel
Last Updated: June 15, 2026
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