Plant Comparison

Fireweed vs Perforate St John’s-wort

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 BPerforate St John’s-wortHypericum perforatumHypericaceaeFull monograph →

At a glance

Fireweed and Perforate St John’s-wort: they share 6 indicated uses (arthritis / joint pain, bruising, infection (general), …); 3 pharmacological actions in common.

FireweedPerforate St John’s-wort
Constituents33
Pharmacological actions56
Indicated uses89
Safety notes22
Cited sources1931
Indicated uses
Only Fireweed
BloatingIndigestion
Shared (6)
Arthritis / joint painBruisingInfection (general)Inflammation (general)Skin irritationWounds
Only Perforate St John’s-wort
Cold & fluEczemaInsomnia / sleeplessness
Pharmacological actions
Only Fireweed
AntimicrobialDigestive aid
Shared (3)
Anti-inflammatoryAntioxidantVulnerary (wound healing)
Only Perforate St John’s-wort
AntiviralEmollient / skin-soothingSedative / sleep support

Evidence face-off — shared uses

ConditionFireweedPerforate St John’s-wortVerdict
Arthritis / joint pain2/101/10Comparable evidence
Bruising2/101/10Comparable evidence
Infection (general)2/101/10Comparable evidence
Inflammation (general)2/101/10Comparable evidence
Skin irritation2/101/10Comparable evidence
Wounds2/101/10Comparable 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
Naphthodianthrones (hypericin, pseudohypericin)[4]

Red pigments historically used to standardise extracts; contribute to antiviral activity and are the compounds responsible for photosensitivity risk.

Phloroglucinols (hyperforin)[4]

Considered the principal compound behind the antidepressant activity and the main driver of the herb's potent CYP3A4/P-glycoprotein induction and drug-interaction profile.

Hyperforin
Flavonoids (hyperoside, quercetin, rutin)[4]

Antioxidant flavonoids contributing to overall activity.

FlavonoidsQuercetinRutin

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[5, 15, 16]
Antioxidant[6, 15, 16]
Antiviral[15, 16]
Emollient / skin-soothing[15, 16]
Sedative / sleep support[1, 2, 4, 5, 9, 11, 12, 13, 14, 15, 16]
Vulnerary (wound healing)[4, 15, 16]

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[15, 16]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Arthritis / joint pain
Bruising[15, 16]Traditional · 1/10

inferred from vulnerary action

Evidence: 1
Label: Bruising
Cold & flu[15, 16]Traditional · 1/10

inferred from antiviral action

Evidence: 1
Label: Cold & flu
Eczema[15, 16]Traditional · 1/10

inferred from emollient action

Evidence: 1
Label: Eczema
Infection (general)[15, 16]Traditional · 1/10

inferred from antiviral action

Evidence: 1
Label: Infection (general)
Inflammation (general)[15, 16]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Inflammation (general)
Insomnia / sleeplessness[15, 16]Traditional · 1/10

inferred from sedative action

Evidence: 1
Label: Insomnia / sleeplessness
Skin irritation[15, 16]Traditional · 1/10

inferred from anti-inflammatory action

Evidence: 1
Label: Skin irritation
Wounds[15, 16]Traditional · 1/10

inferred from vulnerary action

Evidence: 1
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[15, 16]Caution

Significant drug interactions: strongly induces CYP3A4 and P-glycoprotein, reducing plasma levels of many drugs including oral contraceptives, antiretrovirals, cyclosporine, warfarin, and digoxin. May cause photosensitivity (fair-skinned individuals). Do not combine with SSRIs, SNRIs, or MAOIs (serotonin syndrome risk). Avoid in bipolar disorder.

Safety note[15, 16, 17]Caution

Duke (2002) rates St. John's wort as ++ (raised from earlier editions) and notes antidepressant, antiviral, antibacterial, and wound-healing activities at experimental and clinical levels. Hypericin and hyperforin are identified as key active constituents. Clinical evidence (score 2) confirms antidepressant efficacy in mild-to-moderate depression, and WHO/Commission E provide approval for this indication. Dose: 300 mg standardized extract (0.3% hypericin, 3–5% hyperforin) three times daily. Duke emphasizes the critical drug interaction: St. John's wort is a potent CYP3A4 inducer and can significantly reduce blood levels of many medications including oral contraceptives, cyclosporine, antiretrovirals, and warfarin. Avoid combined use with SSRIs (serotonin syndrome risk) and pharmaceutical antidepressants (Duke, 2002).

External Ids

Gbif: 3188783
Powo: urn:lsid:ipni.org:names:55479-2
Gbif: 3189486
Powo: urn:lsid:ipni.org:names:433719-1
Wikidata: Q158289

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

Erect, branching perennial herb with paired, oval leaves dotted with tiny translucent oil glands that look like pinpricks when held to the light (giving the species name 'perforatum'). Bright yellow, five-petalled flowers with numerous stamens and black dots along the petal edges are borne in flat-topped clusters, and release a reddish pigment when crushed.[4]

Height: 30-90 cm
Habit: Erect, branching perennial herb
Leaves: Paired, oval, dotted with tiny translucent oil glands
Flowers: Bright yellow, five-petalled, with numerous stamens and black-dotted petal edges, in flat-topped clusters
Stem: Erect, branching, with two raised longitudinal ridges
Root: Woody rootstock with spreading rhizomes
Fruit: Small, three-valved capsule
Flowering Period: June-September (traditionally around St John's Day, 24 June)

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]

Grows in grassland, roadsides, woodland clearings and waste ground on well-drained soils; native to Europe, Western Asia and North Africa and widely naturalised elsewhere, including North America and Australia.[4]

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

The flowering tops (flower and upper leaf) are cut in summer as the flowers open, around the traditional St John's Day period, and dried quickly in a warm, shaded, airy place to preserve the hypericin and hyperforin content.[4]

Parts: Flower, Leaf
Season: Summer, at flowering

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]

St John's wort has a centuries-long European folk reputation as a wound-healing and nerve tonic herb, traditionally used for mild wounds, burns and nerve pain and to lift low mood; this traditional mood-supporting use is now one of the most extensively clinically studied applications of any herbal medicine, with standardised extracts shown comparable to conventional antidepressants for mild-to-moderate depression.[1, 4]

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.

Standardised extract[1]

Flowering-top extract standardised to hypericin and/or hyperforin content, taken as tablets or capsules; the best-studied clinical form for mood support.

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.

Standardised extract[1]

Clinical trials for mild-to-moderate depression commonly use around 300 mg of standardised extract three times daily (900 mg/day total); given extensive drug interactions, use should be discussed with a healthcare provider, especially alongside other medicines. 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-0842, REF-0843, REF-0844, REF-1789, REF-1790, REF-1791, REF-1792, REF-1793, REF-1794, REF-1795, REF-1796, REF-1797, REF-1798, REF-1799

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

Drug Class Interactions

Not documented

Safety note[18, 19, 20, 21]Avoid
Drug Class: antidepressants-serotonergic
Mechanism: St John's wort raises serotonin activity; combined with SSRIs, SNRIs or MAOIs it can trigger serotonin syndrome (agitation, tremor, sweating, rapid heartbeat). Reviews of clinical reports document serotonin syndrome and lethargy when it is combined with serotonin-reuptake inhibitors.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[18, 19, 22]Avoid
Drug Class: antiretrovirals
Mechanism: Potent CYP3A4 and P-glycoprotein induction lowers antiretroviral levels (indinavir exposure fell ~57%), risking loss of viral control and drug resistance.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[18, 19, 23]Avoid
Drug Class: immunosuppressants
Mechanism: Enzyme and transporter induction reduces ciclosporin and tacrolimus levels; reported to cause subtherapeutic concentrations and transplant rejection.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[18, 24, 25, 26]Avoid
Drug Class: hormonal-therapies
Mechanism: Increased metabolism of ethinylestradiol and progestins reduces contraceptive exposure, causing breakthrough bleeding, ovulation and unplanned pregnancy. Randomised and controlled trials in women confirmed more breakthrough bleeding, reduced progestin levels and evidence of ovulation when St John's wort was added to the pill.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[18, 19, 21]Caution
Drug Class: anticoagulants-antiplatelets
Mechanism: CYP induction increases warfarin clearance and can lower INR, reducing the anticoagulant effect; close monitoring is needed.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[18, 27]Caution
Drug Class: cardiac-glycosides
Mechanism: P-glycoprotein induction lowers digoxin levels (AUC fell ~25% over ten days), which may reduce its effect.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[18, 19, 21]Caution
Drug Class: statins
Mechanism: CYP3A4 induction lowers levels of simvastatin and atorvastatin, potentially weakening their cholesterol-lowering effect.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[18, 19, 21]Caution
Drug Class: cyp3a4-substrates
Mechanism: As a broad CYP3A4 and P-glycoprotein inducer, St John's wort can lower levels of many medicines cleared by this pathway; check each medication individually.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03
Safety note[20, 28, 29]Avoid
Drug Class: chemotherapy-agents
Mechanism: St John's wort strongly induces CYP3A4 and P-glycoprotein, speeding the breakdown and removal of several cancer medicines. In patients it cut the active form of irinotecan (SN-38) by about 42% and reduced imatinib exposure by roughly a third - enough to weaken treatment and risk drug resistance. Do not take St John's wort during chemotherapy.
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03

Pairings

Not documented

St John's wort raises serotonin activity and can cause serotonin syndrome when combined with other serotonin-boosting agents; pairing it with another mood-active, serotonergic herb such as saffron may add to this risk.[30]

Partner Id: crocus-sativus
Type: caution
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03

St John's wort is a strong enzyme inducer and increases serotonin activity; combining it with another antidepressant-type herb such as rhodiola may add to serotonergic effects and unpredictably change how each is handled by the body.[30]

Partner Id: rhodiola-rosea
Type: caution
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03

St John's wort speeds up the breakdown of many substances and also raises serotonin activity; pairing it with a sedative herb such as valerian may add to drowsiness and can unpredictably change how each is handled by the body.[30, 31]

Partner Id: valeriana-officinalis
Type: caution
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03

St John's wort is a strong enzyme inducer and kava is a liver-metabolised sedative; combining them may add to central-nervous-system effects and alter how kava is processed, so combined use warrants caution.[30, 31]

Partner Id: piper-methysticum
Type: caution
Reviewed By: Omnia Sana (owner-authorized)
Reviewed Date: 2026-07-03

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
    https://doi.org/10.3390/molecules26237188
  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
    https://doi.org/10.3390/antiox10081300
  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
    https://doi.org/10.3390/ph16101419
  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/
  1. Ng, Q.X., Venkatanarayanan, N. and Ho, C.Y.X (2017) 'Clinical use of Hypericum perforatum (St John's wort) in depression: A meta-analysis', Journal of Affective Disorders, 210, pp. 211-221. doi:10.1016/j.jad.2016.12.048 Meta-analysis / review
    https://doi.org/10.1016/j.jad.2016.12.048
  2. Kholghi, G., Arjmandi-Rad, S., Zarrindast, M.R. and Vaseghi, S (2022) 'St. John's wort (Hypericum perforatum) and depression: what happens to the neurotransmitter systems?', Naunyn-Schmiedeberg's Archives of Pharmacology, 395(6), pp. 629-642. doi:10.1007/s00210-022-02229-z Traditional / reference
    https://doi.org/10.1007/s00210-022-02229-z
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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.