Plant Comparison

Fireweed vs Blackberry Leaf

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 AFireweedChamerion angustifoliumOnagraceaeFull monograph →
Plant BBlackberry LeafRubus fruticosusRosaceaeFull monograph →

At a glance

Fireweed and Blackberry Leaf: they share 5 indicated uses (arthritis / joint pain, infection (general), inflammation (general), …); 3 pharmacological actions in common.

FireweedBlackberry Leaf
Constituents33
Pharmacological actions56
Indicated uses89
Safety notes22
Cited sources199
Indicated uses
Only Fireweed
BloatingBruisingIndigestion
Shared (5)
Arthritis / joint painInfection (general)Inflammation (general)Skin irritationWounds
Only Blackberry Leaf
Cancer (anticancer research)DiarrhoeaOral & throat healthSore throat
Pharmacological actions
Only Fireweed
Digestive aidVulnerary (wound healing)
Shared (3)
Anti-inflammatoryAntimicrobialAntioxidant
Only Blackberry Leaf
Anticancer (preclinical)AntidiarrhoealAstringent

Evidence face-off — shared uses

ConditionFireweedBlackberry LeafVerdict
Arthritis / joint pain2/102/10Comparable evidence
Infection (general)2/102/10Comparable evidence
Inflammation (general)2/102/10Comparable evidence
Skin irritation2/102/10Comparable evidence
Wounds2/102/10Comparable 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

Tannins (oenothein B and related ellagitannins)[1]

Astringent ellagitannins, notably oenothein B, are associated with the plant's traditional anti-inflammatory and prostate-supportive reputation in the related Epilobium species.

Tannins
Flavonoids and phenolic acids[4]

Antioxidant polyphenols retained even after simulated digestion of the infusion.

FlavonoidsPhenolic acids
Triterpenoids[1]

Minor triterpenoid constituents contributing to the plant's bioactivity.

Terpenes / terpenoids
Tannins (gallotannins and ellagitannins)[8, 9]

The astringent principles of the leaf.

Tannins
Flavonoids and phenolic acids (including gallic acid)[9]

Antioxidant and antibacterial constituents.

Phenolic acidsGallic acidFlavonoids
Vitamin C and minerals (iron)[8]

Minor nutritive constituents of the leaf.

Pharmacological Actions

Anti-inflammatory[1, 5, 9, 10, 12, 13, 14, 15, 16]
Antimicrobial[5, 6, 8, 12, 13, 14, 15, 16]
Antioxidant[4, 6, 7, 9, 10, 12, 13, 14, 15, 16]
Digestive aid[12, 13, 14, 15, 16]
Vulnerary (wound healing)[1, 12, 13, 14, 15, 16]
Anti-inflammatory[4, 6, 7, 8]

Anti-inflammatory gargle / mouthwash for sore throat and oral mucosa inflammation

Anticancer (preclinical)[6]
Antidiarrhoeal[5, 8, 9]

Astringent for mild diarrhoea (tannins tighten the gut lining and reduce excess secretion)

Antimicrobial[5, 6, 9]
Antioxidant[4, 5, 6, 9]
Astringent[8, 9]

Astringent for mild diarrhoea (tannins tighten the gut lining and reduce excess secretion)

Traditional & Indicated Uses

Arthritis / joint pain[12, 13, 14, 15, 16]Traditional · 2/10

inferred from anti-inflammatory action

Evidence: 2
Label: Arthritis / joint pain
Bloating[12, 13, 14, 15, 16]Traditional · 2/10

inferred from digestive action

Evidence: 2
Label: Bloating
Bruising[12, 13, 14, 15, 16]Traditional · 2/10

inferred from vulnerary action

Evidence: 2
Label: Bruising
Indigestion[12, 13, 14, 15, 16]Traditional · 2/10

inferred from digestive action

Evidence: 2
Label: Indigestion
Infection (general)[12, 13, 14, 15, 16]Traditional · 2/10

inferred from antimicrobial action

Evidence: 2
Label: Infection (general)
Inflammation (general)[12, 13, 14, 15, 16]Traditional · 2/10

inferred from anti-inflammatory action

Evidence: 2
Label: Inflammation (general)
Skin irritation[12, 13, 14, 15, 16]Traditional · 2/10

inferred from anti-inflammatory action

Evidence: 2
Label: Skin irritation
Wounds[12, 13, 14, 15, 16]Traditional · 2/10

inferred from antimicrobial action

Evidence: 2
Label: Wounds
Arthritis / joint pain[8]Traditional · 2/10

inferred from anti-inflammatory action

Evidence: 2
Label: Arthritis / joint pain
Cancer (anticancer research)[6]Traditional · 2/10

inferred from anticancer action

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

Astringent for mild diarrhoea (tannins tighten the gut lining and reduce excess secretion)

Evidence: 2
Label: Diarrhoea
Infection (general)[9]Traditional · 2/10

inferred from antimicrobial action

Evidence: 2
Label: Infection (general)
Inflammation (general)[8]Traditional · 2/10

Anti-inflammatory gargle / mouthwash for sore throat and oral mucosa inflammation

Evidence: 2
Label: Inflammation (general)
Oral & throat health[8]Traditional · 2/10

Anti-inflammatory gargle / mouthwash for sore throat and oral mucosa inflammation

Evidence: 2
Label: Oral & throat health
Skin irritation[8, 9]Traditional · 2/10

inferred from astringent action

Evidence: 2
Label: Skin irritation
Sore throat[8]Traditional · 2/10

Anti-inflammatory gargle / mouthwash for sore throat and oral mucosa inflammation

Evidence: 2
Label: Sore throat
Wounds[7, 8, 9]Traditional · 2/10

inferred from astringent action

Evidence: 2
Label: Wounds

Safety, Cautions & Contraindications

Safety note[12, 13, 14, 15, 16]Caution

Generally considered safe at culinary and traditional tea-preparation doses. No major contraindications established for healthy adults in normal use. The young shoots and leaves are widely eaten as a spring vegetable in many cultures without adverse effects. At higher supplemental doses, limited human safety data are available; caution is advised during pregnancy and breastfeeding due to lack of robust safety studies. Tannin content may cause digestive upset or constrain iron absorption at very high doses. Rarely, contact dermatitis has been reported with topical preparations in sensitive individuals (Kozhevnikov and Kozhevnikova, 2021).

Safety note[12, 13, 14, 15, 16, 17]Info

Duke (2002) includes fireweed (Epilobium angustifolium) as ++ with primarily experimental (score 1) evidence. It is used in European phytomedicine as an anti-inflammatory and astringent for gastrointestinal complaints. The related species Epilobium parviflorum has clinical support for benign prostatic hyperplasia (BPH), though data for E. angustifolium specifically is limited. Duke does not note major safety concerns at customary herbal doses (Duke, 2002).

Safety note[8]Info

Tannin-rich: high or prolonged intake may cause stomach upset or constipation and can reduce the absorption of iron and some medicines taken at the same time.

Safety note[8]Info

Traditional use only; diarrhoea that persists (especially in children) needs medical assessment and attention to rehydration.

External Ids

Gbif: 3188783
Powo: urn:lsid:ipni.org:names:55479-2
Gbif: 8436459
Wikidata: Q13541716

Botanical Description

Tall, upright perennial herb spreading by rhizomes, forming large colonies especially on disturbed or burned ground (hence 'fireweed'). The leaves are narrow, lance-shaped, and willow-like, arranged spirally up the stem. Bright pink-purple, four-petalled flowers are borne in a tall, tapering terminal spike (raceme), opening progressively from the base upward as the plant flowers through summer.[1]

Height: 60-200 cm
Habit: Tall, upright, rhizomatous perennial herb, often forming large colonies
Leaves: Narrow, lance-shaped, willow-like, spirally arranged
Flowers: Bright pink-purple, four-petalled, in a tall tapering terminal raceme
Stem: Erect, usually unbranched, reddish toward the base
Root: Spreading rhizome
Fruit: Long, narrow seed pod splitting to release cottony-tufted seeds
Flowering Period: July-September

Scrambling, thorny deciduous shrub (Rosaceae) forming dense thickets, with arching prickly stems that root at the tip. Leaves are palmately compound, usually with 3-5 toothed leaflets. White to pale pink, five-petalled flowers are followed by clusters of small drupelets forming the blackberry fruit, ripening from red to glossy black.[8]

Height: Scrambling/arching canes, typically 1-3 m
Habit: Scrambling, thorny, thicket-forming shrub
Leaves: Palmately compound, usually 3-5 toothed leaflets
Flowers: White to pale pink, five-petalled
Stem: Arching, prickly, rooting at the tip
Root: Woody perennial root system
Fruit: Cluster of drupelets, ripening red to glossy black
Flowering Period: June-August

Habitat

A classic pioneer plant of disturbed, burned or cleared ground, forest clearings, roadsides and riverbanks; native across the temperate and boreal Northern Hemisphere (Europe, Asia, North America).[1]

Native throughout Europe and widely naturalised elsewhere, an aggressive coloniser of hedgerows, woodland edges, scrub and waste ground. 'Rubus fruticosus' is a taxonomically complex aggregate comprising hundreds of closely related microspecies.[8]

Harvesting

Young shoots are gathered in spring while still tender (traditionally eaten like asparagus); leaves and flowers are picked through summer at flowering, with the leaf sometimes fermented for 'Ivan-chai' tea. Careful identification against the deadly false hellebore (Veratrum), which can share early-spring habitat, is essential when gathering young shoots.[1]

Parts: Flower, Leaf, Young sprouts
Season: Young sprouts in spring; leaf and flower through summer

Leaves are picked fresh throughout the growing season and dried for tea; berries are picked in late summer once fully ripe.[8]

Parts: Leaf
Season: Leaf throughout the growing season

Traditional Uses

Fireweed has a long circumpolar tradition as a food plant (young shoots as a spring vegetable, fermented leaf as 'Ivan-chai' tea) and as a folk remedy for digestive complaints and topically as a poultice for wounds and skin inflammation, reflecting its astringent, anti-inflammatory character.[1]

Blackberry leaf has a long European folk-medicine tradition as an astringent gargle for sore throat and mouth ulcers, and as a remedy for mild diarrhoea, reflecting its high tannin content; the berries themselves are valued as a nutritious, antioxidant-rich food.[8]

Preparations

Infusion (leaf, 'Ivan-chai')[1]

Fresh or fermented, dried leaf infused in hot water as a traditional tea, valued both as a beverage and a mild digestive/anti-inflammatory remedy.

Infusion (tea)[8]

Dried leaf steeped in hot water, taken internally or used as a gargle/mouthwash.

Gargle/mouthwash[8]

A stronger leaf infusion used topically for sore throat and mouth irritation.

Dosage

Infusion[11]

The EU herbal monograph on Epilobium angustifolium L. and/or Epilobium parviflorum Schreb., herba - which covers this species under its Epilobium name - gives 1.5-2.0 g of the comminuted herb in 250 mL of boiling water as an infusion, twice daily, in adults and elderly; long-term use is possible. A doctor should be consulted if fever, spasms, blood in the urine, painful urination or urinary retention occur. Educational reference only, not a prescription.

Infusion (tea)[8]

Traditional guidance suggests roughly 2-4 g dried leaf per cup as an infusion, up to three times daily, or used as a gargle at similar strength. Educational reference only, not a prescription.

References

REF-1658, REF-1659, REF-1660, REF-1661, REF-1662, REF-1663, REF-1664, REF-1665, REF-1666, REF-1667
REF-0713, REF-0714, REF-0715, REF-2548, REF-2549, REF-2550, REF-2551

Lookalikes Review

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

Dangerous Lookalikes

Safety note[18, 19]Fatal
Dangerous Plant: veratrum-album
Confused Part: Young spring shoots gathered as an asparagus-like vegetable; the emerging shoots of highly toxic false hellebore can look similar.
Confusion Context: Fireweed / rosebay willowherb (Chamerion angustifolium) young shoots are foraged in spring like asparagus. As foraging guidance (and the US Forest Service) warns, emerging fireweed shoots can resemble highly toxic members of the lily family, notably false hellebore (Veratrum), which shares moist ground and an upright early-spring habit. False hellebore is deadly, containing steroidal alkaloids that cause vomiting, collapse of blood pressure and heart-rhythm disturbances. Fortunately fireweed has an unmistakable leaf feature that separates it at every stage.
Distinguishing Features: Leaf veins (decisive): fireweed's lateral leaf veins loop back and join together INSIDE the leaf margin, rather than running out to the edge - a unique 'looping vein' pattern. False hellebore veins run straight out to the leaf edge., Leaf texture/arrangement: fireweed has narrow, smooth, lance-shaped leaves; false hellebore has large, broad, heavily PLEATED (accordion-ribbed) alternate leaves clasping the stem., Habit: a stout shoot with broad pleated leaves is false hellebore, not the slender fireweed shoot.
Key Test: Look at the leaf veins. Fireweed's side veins curve and join together just inside the leaf edge (looping), on narrow smooth leaves. Broad, deeply pleated (accordion-ribbed) leaves with veins running straight to the edge = false hellebore (Veratrum) - deadly, do not eat. If the leaves are pleated, discard it.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-07

Not documented

References & Sources

  1. Karakaya, S., Suntar, I., Yakinci, O.F., Sytar, O., Ceribasi, S. and Dursunoglu, B (2020) 'In vivo bioactivity assessment on Epilobium species: A particular focus on Epilobium angustifolium and its components on enzymes connected with the healing process', Journal of Ethnopharmacology, 262, pp. 113207. doi:10.1016/j.jep.2020.113207 Preclinical
    https://doi.org/10.1016/j.jep.2020.113207
  2. Esposito, C., Santarcangelo, C., Masselli, R., Buonomo, G., Nicotra, G. and Insolia, V (2021) 'Epilobium angustifolium L. extract with high content in oenothein B on benign prostatic hyperplasia: A monocentric, randomized, double-blind, placebo-controlled clinical trial', Biomedicine & Pharmacotherapy, 138, pp. 111414. doi:10.1016/j.biopha.2021.111414 Randomized trial
    https://doi.org/10.1016/j.biopha.2021.111414
  3. Kaskoniene, V., Stankevicius, M., Drevinskas, T., Akuneca, I., Kaskonas, P. and Bimbiraite-Surviliene, K (2015) 'Evaluation of phytochemical composition of fresh and dried raw material of introduced Chamerion angustifolium L. using chromatographic, spectrophotometric and chemometric techniques', Phytochemistry, 115, pp. 184-193. doi:10.1016/j.phytochem.2015.02.005 Preclinical
    https://doi.org/10.1016/j.phytochem.2015.02.005
  4. Kowalik, K., Polak-Berecka, M., Prendecka-Wrobel, M., Pigon-Zajac, D., Niedzwiedz, I. and Szwajgier, D (2022) 'Biological Activity of an Epilobium angustifolium L. (Fireweed) Infusion after In Vitro Digestion', Molecules, 27(3), pp. 1006. doi:10.3390/molecules27031006 Preclinical
    https://doi.org/10.3390/molecules27031006
  5. Nowak, A., Zagorska-Dziok, M., Peruzynska, M., Cybulska, K., Kucharska, E. and Ossowicz-Rupniewska, P (2022) 'Assessment of the Anti-Inflammatory, Antibacterial and Anti-Aging Properties and Possible Use on the Skin of Hydrogels Containing Epilobium angustifolium L. Extracts', Frontiers in Pharmacology, 13, pp. 896706. doi:10.3389/fphar.2022.896706 Preclinical
    https://doi.org/10.3389/fphar.2022.896706
  6. Nowak, A., Duchnik, W., Makuch, E., Kucharski, L., Ossowicz-Rupniewska, P. and Cybulska, K (2021) 'Epilobium angustifolium L. Essential Oil-Biological Activity and Enhancement of the Skin Penetration of Drugs-In Vitro Study', Molecules, 26(23), pp. 7188. doi:10.3390/molecules26237188 Preclinical
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  7. Olennikov, D.N., Kirillina, C.S. and Chirikova, N.K (2021) 'Water-Soluble Melanoidin Pigment as a New Antioxidant Component of Fermented Willowherb Leaves (Epilobium angustifolium)', Antioxidants, 10(8), pp. 1300. doi:10.3390/antiox10081300 Preclinical
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  8. Dreger, M., Adamczak, A. and Foksowicz-Flaczyk, J (2023) 'Antibacterial and Antimycotic Activity of Epilobium L. Extracts: A Review', Pharmaceuticals, 16(10), pp. 1419. doi:10.3390/ph16101419 Meta-analysis / review
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  9. Nowak, A., Zagorska-Dziok, M., Ossowicz-Rupniewska, P., Makuch, E., Duchnik, W. and Kucharski, L (2021) 'Epilobium angustifolium L. Extracts as Valuable Ingredients in Cosmetic and Dermatological Products', Molecules, 26(11), pp. 3456. doi:10.3390/molecules26113456 Preclinical
    https://doi.org/10.3390/molecules26113456
  10. Nowak, A., Zielonka-Brzezicka, J., Peruzynska, M. and Klimowicz, A (2022) 'Epilobium angustifolium L. as a Potential Herbal Component of Topical Products for Skin Care and Treatment - A Review', Molecules, 27(11), pp. 3536. doi:10.3390/molecules27113536 Meta-analysis / review
    https://doi.org/10.3390/molecules27113536
  11. European Medicines Agency (HMPC) (2015) 'European Union herbal monograph on Epilobium angustifolium L. and/or Epilobium parviflorum Schreb., herba'. Available at: https://www.ema.europa.eu/en/documents/herbal-monograph/final-european-union-herbal-monograph-epilobium-angustifolium-l-andor-epilobium-parviflorum-schreb-herba_en.pdf Traditional / reference
    https://www.ema.europa.eu/en/documents/herbal-monograph/final-european-union-herbal-monograph-epilobium-angustifolium-l-andor-epilobium-parviflorum-schreb-herba_en.pdf
  12. Battinelli, L., Tita, B., Evandri, M.G. and Mazzanti, G (2014) 'Antimicrobial activity of Epilobium spp', pp. extracts. doi:10.1016/S0014-827X(01)01092-0 Preclinical
    https://doi.org/10.1016/S0014-827X(01)01092-0
  13. http://Latvijasdaba.lv (n.d.) 'ugunspuķe – Chamerion angustifolium (L.) Holub'. Available at: http://Latvijasdaba.lv Traditional / reference
    http://Latvijasdaba.lv
  14. Kozhevnikov, A.Y. and Kozhevnikova, N.A (2021) 'Phytochemical and Pharmacological Review of Chamerion angustifolium (Fireweed)', 10(11). doi:10.3390/plants10112295 Traditional / reference
    https://doi.org/10.3390/plants10112295
  15. Royal Botanic Gardens, Kew (n.d.) 'Chamerion angustifolium (L.) Holub'. Available at: https://powo.science.kew.org/taxon/urn:lsid:http://ipni.org:names:19659-1 Traditional / reference
    https://powo.science.kew.org/taxon/urn:lsid:http://ipni.org:names:19659-1
  16. Zhivoderov, A., Laletina, D. and Ushakova, I (2021) 'Ivan-chai: the history and properties of Russian herbal tea', 7(2), pp. 62. doi:10.3390/fermentation7020062 Traditional / reference
    https://doi.org/10.3390/fermentation7020062
  17. Duke, J.A (2002) 'Handbook of Medicinal Herbs, Second Edition'. Traditional / reference
    https://scholar.google.com/scholar?q=Handbook%20of%20Medicinal%20Herbs%2C%20Second%20Edition
  18. Forage-ology 'Foraging Fireweed: How to Identify and Use Every Part of This Stunning Wild Plant'. Available at: https://forage-ology.com/foraging-fireweed-how-to-identify-and-use-every-part-of-this-stunning-wild-plant/ Traditional / reference
    https://forage-ology.com/foraging-fireweed-how-to-identify-and-use-every-part-of-this-stunning-wild-plant/
  19. Garnier, R. and Carlier, P. and Hoffelt, J. and Savidan, A (1985) 'Acute dietary poisoning by white hellebore (Veratrum album L.). Clinical and analytical data. A propos of 5 cases', Annales de Medecine Interne (Paris), 136(2), pp. 125-8. Available at: https://pubmed.ncbi.nlm.nih.gov/4073696/ Clinical study
    https://pubmed.ncbi.nlm.nih.gov/4073696/
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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.