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.

First plant
Second plant
Show:
Plant AWater avensGeum rivaleRosaceaeFull monograph →
Plant BElecampaneInula heleniumAsteraceaeFull monograph →

At a glance

Water avens and Elecampane: they share 5 indicated uses (cancer (anticancer research), inflammation (general), infection (general), …); 3 pharmacological actions in common.

Water avensElecampane
Constituents73
Pharmacological actions104
Indicated uses99
Safety notes32
Cited sources1714
Indicated uses
Only Water avens
DiarrhoeaOral & throat healthSore throatBlood sugar / diabetes support
Shared (5)
Cancer (anticancer research)Inflammation (general)Infection (general)WoundsSkin irritation
Only Elecampane
Arthritis / joint painBronchitisCoughRespiratory support
Pharmacological actions
Only Water avens
AstringentAntidiarrhoealAntioxidantAntiviralNeuroprotective / cognition supportAntidiabetic (blood-sugar lowering)Vulnerary (wound healing)
Shared (3)
AntimicrobialAnti-inflammatoryAnticancer (preclinical)
Only Elecampane
Expectorant

Evidence face-off — shared uses

ConditionWater avensElecampaneVerdict
Cancer (anticancer research)2/102/10Comparable evidence
Inflammation (general)2/102/10Comparable evidence
Infection (general)2/102/10Comparable evidence
Wounds2/102/10Comparable evidence
Skin irritation2/102/10Comparable 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

Ellagitannins (pedunculagin, galloyl-bis-HHDP-hexose)[1, 6]

Hydrolysable ellagitannins - the dominant astringent constituents of water avens.

TanninsPhenolic compounds
Gallotannins and condensed tannins (proanthocyanidins)[1, 8]

Additional hydrolysable and condensed tannins contributing to the astringent, antidiarrhoeal and elastase-inhibiting activity.

TanninsProanthocyanidins
Ellagic acid and derivatives[1, 17]

Ellagic acid and ellagic-acid glycosides (antioxidant; precursors of anti-inflammatory urolithins in the gut).

Ellagic acidPhenolic acids
Gallic acid and derivatives[1, 2]

Gallic acid and galloyl derivatives (antioxidant, antimicrobial).

Gallic acidPhenolic acids
Flavonoids (quercetin, kaempferol, isorhamnetin glycosides)[1]

Antioxidant flavonol glycosides.

FlavonoidsQuercetinKaempferol
Triterpenoid saponins (niga-ichigoside)[2, 16]

Triterpenoid saponins and aglycones.

Triterpene saponinsSaponins
Essential oil - eugenol[5]

The root essential oil is dominated by eugenol, giving the clove-like scent (shared with clove) and antiseptic, mild-anaesthetic character.

Essential (volatile) oilEugenol
Sesquiterpene lactones (alantolactone, isoalantolactone, igalan, diplophyllin)[2, 12, 13, 14]

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.

Sesquiterpene lactonesSesquiterpenes
Inulin[12]

A fructan polysaccharide abundant in the root (the genus Inula gives inulin its name).

PolysaccharidesInulin
Essential oil[12]

Aromatic constituents of the root.

Essential (volatile) oil

Pharmacological Actions

Astringent[1, 6, 8]

Tannin-rich root, the basis of the traditional antidiarrhoeal and gargle uses.

Antidiarrhoeal[8, 9]

Astringent hydrolysable tannins; traditional remedy for diarrhoea and dysentery.

Antioxidant[1, 10, 15]
Antimicrobial[3, 11, 14, 15]
Anti-inflammatory[7, 17]

Inhibits prostaglandin biosynthesis; ellagitannin-derived urolithins are anti-inflammatory.

Anticancer (preclinical)[13, 14]

Geum (avens) extracts show antineoplastic and skin antineoplastic activity in vitro (preclinical).

Antiviral[13]

Antiviral activity of avens (Geum) extract in vitro (congener).

Neuroprotective / cognition support[1]

Neuroprotective activity of water avens polyphenol fractions.

Antidiabetic (blood-sugar lowering)[12]

Avens root extract showed antidiabetic (glucose-lowering) activity in vivo (congener G. urbanum).

Vulnerary (wound healing)[9, 14]

Astringent/antimicrobial root traditionally applied to wounds and inflamed skin; skin antineoplastic activity shown for avens.

Anti-inflammatory[1, 2, 3, 4, 5]

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)

Anticancer (preclinical)[9, 10, 11]
Antimicrobial[6, 12, 13, 14]

Antimicrobial, notably anti-staphylococcal (membrane-damaging) and anti-mycobacterial (active against Mycobacterium tuberculosis in vitro); supports respiratory and skin infection

Expectorant[1, 12]

Expectorant for productive cough and bronchitis (long-standing respiratory remedy)

Traditional & Indicated Uses

Cancer (anticancer research)[13, 14]Traditional · 2/10

inferred from anticancer action

Evidence: 2
Label: Cancer (anticancer research)
Diarrhoea[8, 9]Good · 7/10

Astringent (tannin) antidiarrhoeal; traditional remedy for diarrhoea and dysentery.

Evidence: 7
Label: Diarrhoea
Oral & throat health[9, 11]Traditional · 2/10

Root decoction used traditionally as a gargle/mouthwash for mouth ulcers and spongy gums; antimicrobial.

Evidence: 2
Label: Oral & throat health
Sore throat[3, 9]Traditional · 2/10

inferred from astringent/antimicrobial gargle use

Evidence: 2
Label: Sore throat
Inflammation (general)[7, 17]Traditional · 2/10
Evidence: 2
Label: Inflammation (general)
Infection (general)[3, 11]Traditional · 2/10

inferred from antimicrobial action

Evidence: 2
Label: Infection (general)
Wounds[9, 14]Traditional · 2/10

inferred from astringent/antimicrobial action and traditional wound-wash use

Evidence: 2
Label: Wounds
Skin irritation[14]Traditional · 2/10

inferred from anti-inflammatory/antimicrobial skin activity

Evidence: 2
Label: Skin irritation
Blood sugar / diabetes support[12]Traditional · 2/10

Avens root showed antidiabetic activity in vivo (congener).

Evidence: 2
Label: Blood sugar / diabetes support
Arthritis / joint pain[2]Traditional · 2/10

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)

Evidence: 2
Label: Arthritis / joint pain
Bronchitis[12]Traditional · 1/10

Expectorant for productive cough and bronchitis (long-standing respiratory remedy)

Evidence: 1
Label: Bronchitis
Cancer (anticancer research)[9, 10, 11]Traditional · 2/10

inferred from anticancer action

Evidence: 2
Label: Cancer (anticancer research)
Cough[12]Traditional · 1/10

Expectorant for productive cough and bronchitis (long-standing respiratory remedy); Soothes irritated airways / chronic catarrh (traditional)

Evidence: 1
Label: Cough
Infection (general)[12, 13, 14]Traditional · 2/10

Antimicrobial, notably anti-staphylococcal (membrane-damaging) and anti-mycobacterial (active against Mycobacterium tuberculosis in vitro); supports respiratory and skin infection

Evidence: 2
Label: Infection (general)
Inflammation (general)[2]Traditional · 2/10

inferred from anti-inflammatory action

Evidence: 2
Label: Inflammation (general)
Respiratory support[12]Traditional · 1/10

inferred from expectorant action

Evidence: 1
Label: Respiratory support
Skin irritation[2]Traditional · 2/10

inferred from anti-inflammatory action

Evidence: 2
Label: Skin irritation
Wounds[12, 13, 14]Traditional · 2/10

inferred from antimicrobial action

Evidence: 2
Label: Wounds

Safety, Cautions & Contraindications

Safety note[1, 8]Caution

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 noteCaution

Safety in pregnancy and breastfeeding has not been established; avoid medicinal doses during pregnancy and lactation.

Safety note[13]Info

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.

Safety note[12]Info

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.

Safety note[12]Caution

Large doses can cause nausea, vomiting and diarrhoea; safety in pregnancy and breastfeeding is not established, so avoid medicinal doses.

External Ids

Gbif: 5369701
Powo: urn:lsid:ipni.org:names:725355-1
Wikidata: Q161625
Gbif: 3148340
Wikidata: Q697416

Synonyms

Geum rivale var. rivale

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]

Height: 20-60 cm
Habit: Erect perennial herb from a thick aromatic rhizome
Leaves: Basal rosette of pinnate leaves with a large terminal lobe; stem leaves smaller, trifoliolate
Flowers: Nodding, bell-shaped, dull purple-pink to orange sepals with cream-to-pink petals (distinct from the erect yellow flowers of wood avens)
Stem: Erect, reddish, softly hairy
Root: Thick reddish rhizome smelling of cloves (eugenol) - the 'chocolate root'
Fruit: A rounded head of achenes, each with a hooked, feathery style
Flowering Period: May-September

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]

Height: 1-2.5 m
Habit: Tall, robust, coarse-leaved perennial herb
Leaves: Large, coarse, hairy, broadly oval near the base, smaller up the stem
Flowers: Large, shaggy, bright yellow daisy-like heads with numerous narrow ray florets
Stem: Stout, branching, hairy
Root: Thick, aromatic, branching rhizome (the medicinal part)
Fruit: Small achene with a pappus
Flowering Period: July-August

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]

Parts: Root, Rhizome, Aerial parts
Season: Root/rhizome in spring or autumn; aerial parts in flower (summer)

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]

Parts: Root and rhizome
Season: Autumn, from second-year or older plants

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

Decoction[9]

The dried root/rhizome simmered in water as an astringent for diarrhoea and as a gargle for sore throat and inflamed gums.

Infusion[9]

The aerial parts or root infused as a milder astringent and aromatic tonic tea.

Gargle / mouthwash[9, 11]

A cooled root decoction used as a gargle/mouthwash for sore throat, mouth ulcers and spongy gums.

Decoction[12]

Dried root simmered in water as a traditional expectorant and antimicrobial tea.

References

REF-2761, REF-2762, REF-2763, REF-2764, REF-2765, REF-2766, REF-2767, REF-2768, REF-2769, REF-2770, REF-2771, REF-2772, REF-2773, REF-2774, REF-2775, REF-2776, REF-2777
REF-1858, REF-0538, REF-1859, REF-1860, REF-1861, REF-1862, REF-1863, REF-1864, REF-1865, REF-1866, REF-1867

Drug Class Interactions

Safety note[12]Caution
Drug Class: antidiabetics
Mechanism: Avens (Geum) root showed antidiabetic (glucose-lowering) activity; combined with antidiabetic medicines it could theoretically add to blood-sugar-lowering effects.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-10

Not documented

Pairings

Classic Rosaceae astringent pairing: both are tannin-rich roots traditionally combined for diarrhoea and as mouth/throat gargles.[8]

Partner Id: potentilla-erecta
Type: synergy
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-10

Rosaceae astringents rich in hydrolysable tannins, traditionally used together for diarrhoea, sore throat and as gargles.[8]

Partner Id: agrimonia-eupatoria
Type: synergy
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-10

Both are Rosaceae rich in ellagitannins and phenolics with overlapping antioxidant and anti-inflammatory profiles; water avens is astringent, meadowsweet more salicylate-based.[8, 10]

Partner Id: filipendula-ulmaria
Type: neutral
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-10

Not documented

Lookalikes Review

[9]

Outcome: none-known
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-10
Outcome: none-known
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07

References & Sources

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    https://doi.org/10.1080/14786419.2018.1543676
  12. Kenny, C.R., Stojakowska, A., Furey, A. and Lucey, B (2022) 'From Monographs to Chromatograms: The Antimicrobial Potential of Inula helenium L. (Elecampane) Naturalised in Ireland', Molecules. doi:10.3390/molecules27041406 Traditional / reference
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  13. Stojanovic-Radic, Z. and Comic, Lj. and Radulovic, N. and Blagojevic, P. and Denic, M. and Miltojevic, A. and Rajkovic, J. and Mihajilov-Krstev, T (2012) 'Antistaphylococcal activity of Inula helenium L. root essential oil: eudesmane sesquiterpene lactones induce cell membrane damage', European Journal of Clinical Microbiology & Infectious Diseases, 31(6), pp. 1015--1025. doi:10.1007/s10096-011-1400-1 Preclinical
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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.