Plant Comparison
Water avens vs Elecampane
A side-by-side comparison of two medicinal plants — every documented constituent, action, use, safety note and cited source, assembled automatically from the Omnia Sana database.
At a glance
Water avens and Elecampane: they share 5 indicated uses (cancer (anticancer research), inflammation (general), infection (general), …); 3 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Water avens | Elecampane | Verdict |
|---|---|---|---|
| Cancer (anticancer research) | 2/10 | 2/10 | Comparable evidence |
| Inflammation (general) | 2/10 | 2/10 | Comparable evidence |
| Infection (general) | 2/10 | 2/10 | Comparable evidence |
| Wounds | 2/10 | 2/10 | Comparable evidence |
| Skin irritation | 2/10 | 2/10 | Comparable evidence |
Evidence scores (1–10) are computed from the tier of each cited source. “Comparable” means the two scores are within one point. Follow a score to its detailed sources.
Key Constituents
Hydrolysable ellagitannins - the dominant astringent constituents of water avens.
Additional hydrolysable and condensed tannins contributing to the astringent, antidiarrhoeal and elastase-inhibiting activity.
Ellagic acid and ellagic-acid glycosides (antioxidant; precursors of anti-inflammatory urolithins in the gut).
Gallic acid and galloyl derivatives (antioxidant, antimicrobial).
Antioxidant flavonol glycosides.
Triterpenoid saponins and aglycones.
The root essential oil is dominated by eugenol, giving the clove-like scent (shared with clove) and antiseptic, mild-anaesthetic character.
The antimicrobial and anti-inflammatory principles of the root; the eudesmane core and the alpha,beta-methylene-lactone ring are essential for the antimicrobial activity.
A fructan polysaccharide abundant in the root (the genus Inula gives inulin its name).
Pharmacological Actions
Astringent hydrolysable tannins; traditional remedy for diarrhoea and dysentery.
Inhibits prostaglandin biosynthesis; ellagitannin-derived urolithins are anti-inflammatory.
Geum (avens) extracts show antineoplastic and skin antineoplastic activity in vitro (preclinical).
Antiviral activity of avens (Geum) extract in vitro (congener).
Neuroprotective activity of water avens polyphenol fractions.
Avens root extract showed antidiabetic (glucose-lowering) activity in vivo (congener G. urbanum).
Anti-inflammatory - sesquiterpene lactones (alantolactone, isoalantolactone) inhibit NF-kB and MAPK signalling and pro-inflammatory cytokines; total sesquiterpene lactones eased arthritis in animal models (potential in rheumatoid arthritis)
Antimicrobial, notably anti-staphylococcal (membrane-damaging) and anti-mycobacterial (active against Mycobacterium tuberculosis in vitro); supports respiratory and skin infection
Traditional & Indicated Uses
inferred from anticancer action
Astringent (tannin) antidiarrhoeal; traditional remedy for diarrhoea and dysentery.
Root decoction used traditionally as a gargle/mouthwash for mouth ulcers and spongy gums; antimicrobial.
inferred from astringent/antimicrobial gargle use
inferred from antimicrobial action
inferred from astringent/antimicrobial action and traditional wound-wash use
inferred from anti-inflammatory/antimicrobial skin activity
Avens root showed antidiabetic activity in vivo (congener).
Anti-inflammatory - sesquiterpene lactones (alantolactone, isoalantolactone) inhibit NF-kB and MAPK signalling and pro-inflammatory cytokines; total sesquiterpene lactones eased arthritis in animal models (potential in rheumatoid arthritis)
Expectorant for productive cough and bronchitis (long-standing respiratory remedy)
inferred from anticancer action
Expectorant for productive cough and bronchitis (long-standing respiratory remedy); Soothes irritated airways / chronic catarrh (traditional)
Antimicrobial, notably anti-staphylococcal (membrane-damaging) and anti-mycobacterial (active against Mycobacterium tuberculosis in vitro); supports respiratory and skin infection
inferred from anti-inflammatory action
inferred from expectorant action
inferred from anti-inflammatory action
Safety, Cautions & Contraindications
The root and herb are rich in tannins; large or prolonged doses may cause digestive upset or constipation and can reduce the absorption of iron and some medicines - take apart from iron supplements and other drugs.
Safety in pregnancy and breastfeeding has not been established; avoid medicinal doses during pregnancy and lactation.
In-vivo toxicity testing of avens (Geum) extract showed a favourable profile at the doses studied, but high-dose or long-term safety is not established.
The sesquiterpene lactones (especially alantolactone) are known skin sensitisers and can cause allergic contact dermatitis; people sensitive to the daisy family (Asteraceae) should be cautious.
Large doses can cause nausea, vomiting and diarrhoea; safety in pregnancy and breastfeeding is not established, so avoid medicinal doses.
External Ids
Synonyms
Not documented
Botanical Description
A perennial herb of the rose family, 20-60 cm tall, growing from a thick, reddish, aromatic rhizome that smells of cloves when broken (from its eugenol content) - the source of the name 'chocolate root'. The basal leaves are pinnate with a large terminal lobe, forming a rosette. Its distinctive flowers are nodding (drooping) bells with dull purple-pink to orange sepals and cream-to-pink petals, quite unlike the erect open yellow flowers of its relative wood avens (Geum urbanum). The fruit is a rounded head of achenes, each with a hooked, feathery style that clings to fur and clothing.[1, 9]
Tall, robust perennial herb with large, coarse, hairy leaves - broadly oval near the base and progressively smaller up the stem - arising from a thick, aromatic rhizome. Large, shaggy, bright yellow daisy-like flower heads with numerous narrow ray florets are borne at the top of stout, branching stems.[12]
Habitat
Damp ground: wet meadows, marshes, streamsides, ditches, fens and damp woodland across Europe, western Asia and North America. It favours moist, base-rich soils. Unlike wood avens (Geum urbanum), a plant of dry hedgerows and shade, water avens grows in wet, open places.[1]
Grows in damp meadows, pastures, roadsides and woodland margins on moist, rich soils; native to Europe and Western Asia and naturalised in North America.[12]
Harvesting
The reddish rhizome/root is the main medicinal part, dug in spring or autumn and dried carefully to preserve its clove-scented, eugenol-bearing, tannin-rich qualities; the aerial flowering parts are gathered in summer. The root has historically been used both as an astringent medicine and as a flavouring (a coffee/chocolate substitute and to flavour ale).[5, 9]
The root and rhizome are dug in autumn of the second or later year, when sesquiterpene lactone and inulin content is highest, then cleaned, sliced and dried.[12]
Traditional Uses
Water avens shares the astringent, tannin-based traditional medicine of the avens (Geum) genus. The clove-scented root has been used as an astringent for diarrhoea, dysentery and other bowel complaints, as a gargle and mouth wash for sore throat, mouth ulcers and spongy gums, and as a wash for wounds and skin inflammation. It was also valued as an aromatic bitter tonic and, historically, a febrifuge, and the fragrant root was used to flavour ale and as a coffee/chocolate substitute (hence 'chocolate root').[8, 9]
Elecampane root has a long European tradition, reflected in the old name 'elf dock', as a warming expectorant remedy for productive cough, bronchitis and chronic respiratory catarrh, and topically and internally as an antimicrobial for skin and wound infections.[12]
Preparations
Dried root simmered in water as a traditional expectorant and antimicrobial tea.
References
Drug Class Interactions
Not documented
Pairings
Classic Rosaceae astringent pairing: both are tannin-rich roots traditionally combined for diarrhoea and as mouth/throat gargles.[8]
Rosaceae astringents rich in hydrolysable tannins, traditionally used together for diarrhoea, sore throat and as gargles.[8]
Not documented
Lookalikes Review
References & Sources
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https://doi.org/10.3390/plants11212859 - Owczarek, A. and Gudej, J (2013) 'Investigation into biologically active constituents of Geum rivale L', Acta Poloniae Pharmaceutica, 70(1), pp. 111-114. Preclinical
https://scholar.google.com/scholar?q=Investigation%20into%20biologically%20active%20constituents%20of%20Geum%20rivale%20L. - Panizzi, L. and Catalano, S. and Miarelli, C. and Cioni, P.L. and Campeol, E (2000) 'In vitro antimicrobial activity of extracts and isolated constituents of Geum rivale', Phytotherapy Research, 14(7), pp. 561-563. doi:10.1002/1099-1573(200011)14:7<561::aid-ptr651>3.0.co;2-h Preclinical
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https://doi.org/10.1016/0378-8741(95)01285-l - Lamaison, J.L. and Carnat, A. and Petitjean-Freytet, C (1990) 'Tannin content and inhibiting activity of elastase in Rosaceae', Annales Pharmaceutiques Francaises, 48(6), pp. 335-340. Meta-analysis / review
https://scholar.google.com/scholar?q=Tannin%20content%20and%20inhibiting%20activity%20of%20elastase%20in%20Rosaceae - Blinova, K.F (1954) 'Anatomical structure of Geum urbanum and Geum rivale and localization of tannins', Aptechnoe Delo, 3(2), pp. 30-35. Traditional / reference
https://scholar.google.com/scholar?q=Anatomical%20structure%20of%20Geum%20urbanum%20and%20Geum%20rivale%20and%20localization%20of%20tannins - Kosmala, M. and Milala, J. and Karlinska, E (2025) 'Ellagitannins and Other Polyphenols Along with Dietary Components of the Rosaceae Medicinal Plants', Molecules, 30(23), pp. 4574. doi:10.3390/molecules30234574 Meta-analysis / review
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Generated automatically from the Omnia Sana plant database and its cited sources. For educational purposes only — not medical advice. Always consult a qualified practitioner before using medicinal plants.