Plant Comparison
Peach-leaved bellflower vs Purple coneflower
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
Peach-leaved bellflower and Purple coneflower: they share 4 indicated uses (inflammation (general), wounds, skin irritation, …); 2 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Peach-leaved bellflower | Purple coneflower | Verdict |
|---|---|---|---|
| Inflammation (general) | 7/10 | 1/10 | Stronger for Peach-leaved bellflower |
| Wounds | 2/10 | 1/10 | Comparable evidence |
| Skin irritation | 7/10 | 1/10 | Stronger for Peach-leaved bellflower |
| Infection (general) | 2/10 | 1/10 | 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
Chlorogenic and caffeic acids are the dominant phenolics of bellflowers (antioxidant).
Flavonol glycosides such as quercetin and kaempferol glycosides.
Acetylenic (polyacetylene) compounds lobetyol and lobetyolin, characteristic antioxidant constituents of the Campanulaceae.
Triterpenes and saponins reported across the genus Campanula.
Lipophilic alkamides are considered key immunomodulatory and anti-inflammatory constituents, particularly concentrated in the root.
Antioxidant phenolic compounds contributing to the plant's immunomodulatory activity.
Water-soluble polysaccharides associated with immune-stimulating activity, particularly from the aerial parts.
Pharmacological Actions
Bellflower extracts downregulate inflammatory cytokines (TNF-alpha, IL-1beta).
Campanula macrostachya extract promoted fibroblast wound closure in vitro (genus congener).
Traditional & Indicated Uses
Bellflower extract promoted fibroblast wound healing in vitro (genus congener).
inferred from anti-inflammatory / traditional topical skin use
inferred from antimicrobial action
inferred from traditional gargle use for throat/mouth inflammation
inferred from genus Campanula traditional use for respiratory complaints
inferred from anti-inflammatory action
inferred from immunomodulator action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
Safety, Cautions & Contraindications
Peach-leaved bellflower is chiefly an edible and ornamental plant, and very little is known about medicinal use or safety of the species specifically; there are no clinical data. Use culinary amounts, and avoid medicinal doses in pregnancy and breastfeeding.
The pharmacological data here are for the genus Campanula and related bellflower species, not for Campanula persicifolia itself; interpret with caution.
Generally considered safe, but caution advised for those with autoimmune conditions. Not recommended for long-term use (more than 8 weeks continuously).
Duke (2002) rates echinacea as +++ — among the most thoroughly documented herbal immunostimulants. It notes experimental and clinical evidence for immunostimulant, antiviral, and anti-inflammatory activities. Multiple species have been studied (E. purpurea, E. angustifolia, E. pallida), and Duke emphasizes that species identification in commercial products is often unreliable. Commission E approves E. purpurea for supporting immune function during colds and flu. Dose: 900 mg standardized extract daily in acute use; use should be limited to 8 weeks continuous. Contraindicated in autoimmune diseases (MS, lupus, HIV/AIDS), tuberculosis, and with immunosuppressive drugs (cyclosporine) (Duke, 2002).
External Ids
Synonyms
Not documented
Botanical Description
An elegant perennial herb of the bellflower family, 30-90 cm tall, growing from a slender rhizome. It forms an overwintering rosette of narrow, leathery, finely-toothed leaves that resemble those of a peach tree (hence 'peach-leaved'); the few stem leaves are similar but smaller. The large, broad, open bell-shaped flowers - about 3-4 cm across, clear blue to lilac or white - are borne in a loose, one-sided spike in summer. Like other bellflowers it exudes a white latex when cut. It is widely grown as an ornamental garden perennial, and its young leaves and roots have historically been eaten.[1]
Robust perennial herb with a basal rosette of coarse, hairy, lance-shaped leaves and tall, sturdy flowering stems. Each stem bears a single large, daisy-like flower head with drooping (reflexed), rose-purple to pink ray florets surrounding a prominent, spiny, orange-brown central cone of disc florets.[4]
Habitat
Open woodland, wood margins, scrub, hedge banks and dry to moist grassland across much of Europe and into western Asia; also very widely cultivated and naturalised as a garden ornamental. It favours well-drained soils in sun or light shade.[1]
Native to the tallgrass prairies, open woodland and dry meadows of central and eastern North America; widely cultivated worldwide as a garden and medicinal plant.[4]
Harvesting
Young leaves and shoots are gathered in spring for use as a salad or pot-herb (mild, faintly sweet, like other bellflowers and rampion); the flowers are gathered in summer, and the root can be dug in autumn. Chiefly a food and ornamental plant rather than a medicinal drug.[5]
The flower heads are picked as they open, in summer; the root is dug in autumn from plants at least two to three years old, when its content of bioactive alkamides and caffeic acid derivatives is highest, then cleaned and dried.[4]
Traditional Uses
Peach-leaved bellflower is primarily an edible and ornamental plant rather than a classical medicinal herb: its young leaves and roots have long been eaten as a wild salad green or pot-herb, in the same way as its relative rampion (Campanula rapunculus). Folk use of bellflowers (Campanula) includes a leaf or flower infusion as a gentle gargle and wash for sore throat and mouth inflammation, and topical use of the crushed herb on inflamed skin. More broadly, the genus Campanula has traditional records of use for inflammatory, respiratory and cardiovascular complaints, backed by its phenolic, flavonoid and triterpene chemistry.[1, 5]
Echinacea root was widely used by Native American peoples as a remedy for infections, wounds, snakebite and toothache, and entered nineteenth-century Eclectic medicine as a broad anti-infective. It remains best known today, in standardised aerial-part or root extracts, as a supportive remedy for preventing and shortening the common cold and supporting immune function.[1, 4]
Preparations
Fresh-pressed juice or standardised extract of the aerial parts or root, taken as tablets, drops or capsules at the first sign of a cold; the best-studied clinical form.
References
Lookalikes Review
Dosage
Not documented
Clinical trials for the common cold commonly use around 300-900 mg of standardised extract daily, started at the first sign of symptoms and continued for up to 7-10 days; continuous use beyond about 8 weeks is not recommended. Educational reference only, not a prescription.
Drug Class Interactions
Not documented
References & Sources
- Alhage, J. and Rahman, A.A. and Al-Bayssari, C. and Raad, M.T (2025) 'Bioactive Compounds Isolated from the Campanula Genus: A Review', Molecules, 30(23), pp. 4495. doi:10.3390/molecules30234495 Meta-analysis / review
https://doi.org/10.3390/molecules30234495 - Dumlu, M.U. and Gurkan, E. and Tuzlaci, E (2008) 'Chemical composition and antioxidant activity of Campanula alliariifolia', Natural Product Research, 22(6), pp. 477-482. doi:10.1080/14786410701640429 Preclinical
https://doi.org/10.1080/14786410701640429 - Sarikurkcu, C. and Kargin Solmaz, F.O. and Isitez, N. and Erdogmus, S.F (2026) 'Ultrasound-assisted aqueous extract of Campanula macrostachya enhances fibroblast repair via antioxidant and cytokine-modulatory mechanisms', Protoplasma, 263(4), pp. 1361-1372. doi:10.1007/s00709-026-02192-z Preclinical
https://doi.org/10.1007/s00709-026-02192-z - Sarabandi, K. and Dashipour, A. and Izadi, Z. and Akbarbaglu, Z. and Katouzian, I. and Jafari, S.M (2023) 'Nutritional, biological, and structural properties of bioactive peptides from bellflower (Campanula latifolia), Persian-willow, and bitter-orange pollens', Journal of Food Science, 88(7), pp. 3119-3133. doi:10.1111/1750-3841.16658 Preclinical
https://doi.org/10.1111/1750-3841.16658 - Guarrera, P.M. and Savo, V (2016) 'Wild food plants used in traditional vegetable mixtures in Italy', Journal of Ethnopharmacology, 185, pp. 202-234. doi:10.1016/j.jep.2016.02.050 Traditional / reference
https://doi.org/10.1016/j.jep.2016.02.050
- Karsch-Völk, M., Barrett, B., Kiefer, D., Bauer, R. et al (2014) 'Echinacea for preventing and treating the common cold', Cochrane Database of Systematic Reviews, 2(2), pp. CD000530. doi:10.1002/14651858.CD000530.pub3 Meta-analysis / review
https://doi.org/10.1002/14651858.CD000530.pub3 - Kamin, W., Seifert, G., Zwiauer, K., Bonhoeffer, J. et al (2025) 'Phytotherapy for acute respiratory tract infections in children: a systematically conducted, comprehensive review', Frontiers in Pediatrics, 13, pp. 1423250. doi:10.3389/fped.2025.1423250 Meta-analysis / review
https://doi.org/10.3389/fped.2025.1423250 - Fashner, J., Ericson, K. and Werner, S (2012) 'Treatment of the common cold in children and adults', American Family Physician, 86(2), pp. 153-159. Available at: https://pubmed.ncbi.nlm.nih.gov/22962927/ Traditional / reference
https://pubmed.ncbi.nlm.nih.gov/22962927/ - Manayi, A., Vazirian, M. and Saeidnia, S (2015) 'Echinacea purpurea: Pharmacology, phytochemistry and analysis methods', Pharmacognosy Reviews, 9(17), pp. 63-72. doi:10.4103/0973-7847.156353 Meta-analysis / review
https://doi.org/10.4103/0973-7847.156353 - Burlou-Nagy, C., Banica, F., Jurca, T., Vicas, L.G., Marian, E., Muresan, M.E., Bacskay, I., Kiss, R., Feher, P. and Pallag, A (2022) 'Echinacea purpurea (L.) Moench: Biological and Pharmacological Properties. A Review', Plants, 11(9), pp. 1244. doi:10.3390/plants11091244 Meta-analysis / review
https://doi.org/10.3390/plants11091244 - Hall, H., Fahlman, M.M. and Engels, H.J (2007) 'Echinacea purpurea and mucosal immunity', International Journal of Sports Medicine, 28(9), pp. 792-797. doi:10.1055/s-2007-964895 Randomized trial
https://doi.org/10.1055/s-2007-964895 - Ross, S.M (2016) 'Echinacea purpurea: A Proprietary Extract of Echinacea purpurea Is Shown to be Safe and Effective in the Prevention of the Common Cold', Holistic Nursing Practice, 30(1), pp. 54-57. doi:10.1097/HNP.0000000000000130 Meta-analysis / review
https://doi.org/10.1097/HNP.0000000000000130 - Hudson, J.B (2011) 'Applications of the phytomedicine Echinacea purpurea (Purple Coneflower) in infectious diseases', Journal of Biomedicine & Biotechnology, 2012, pp. 769896. doi:10.1155/2012/769896 Meta-analysis / review
https://doi.org/10.1155/2012/769896 - Mishima, S., Saito, K., Maruyama, H., Inoue, M., Yamashita, T., Ishida, T. and Gu, Y (2004) 'Antioxidant and immuno-enhancing effects of Echinacea purpurea', Biological & Pharmaceutical Bulletin, 27(7), pp. 1004-1009. doi:10.1248/bpb.27.1004 Preclinical
https://doi.org/10.1248/bpb.27.1004 - Saunders, P.R., Smith, F. and Schusky, R.W (2007) 'Echinacea purpurea L. in children: safety, tolerability, compliance, and clinical effectiveness in upper respiratory tract infections', Canadian Journal of Physiology and Pharmacology, 85(11), pp. 1195-1199. doi:10.1139/Y07-103 Clinical study
https://doi.org/10.1139/Y07-103 - Micheli, L., Maggini, V., Ciampi, C., Gallo, E., Bogani, P., Fani, R., Pistelli, L., Ghelardini, C., Di Cesare Mannelli, L., De Leo, M. and Firenzuoli, F (2022) 'Echinacea purpurea against neuropathic pain: Alkamides versus polyphenols efficacy', Phytotherapy Research, 37(5), pp. 1911-1923. doi:10.1002/ptr.7709 Preclinical
https://doi.org/10.1002/ptr.7709 - Gholami, M., Amri, J., Pazhoohan, S. and Sadegh, M (2021) 'Anticonvulsive and anti-epileptogenesis effects of Echinacea purpurea root extract, an involvement of CB2 receptor', Journal of Complementary & Integrative Medicine, 19(4), pp. 879-886. doi:10.1515/jcim-2020-0219 Preclinical
https://doi.org/10.1515/jcim-2020-0219 - Awortwe, C., Bruckmueller, H., Kaehler, M. and Cascorbi, I (2021) 'Interaction of Phytocompounds of Echinacea purpurea with ABCB1 and ABCG2 Efflux Transporters', Molecular Pharmaceutics, 18(4), pp. 1622-1633. doi:10.1021/acs.molpharmaceut.0c01075 Preclinical
https://doi.org/10.1021/acs.molpharmaceut.0c01075 - Perry, N.B., van Klink, J.W., Burgess, E.J. and Parmenter, G.A (1997) 'Alkamide levels in Echinacea purpurea: a rapid analytical method revealing differences among roots, rhizomes, stems, leaves and flowers', Planta Medica, 63(1), pp. 58-62. doi:10.1055/s-2006-957605 Preclinical
https://doi.org/10.1055/s-2006-957605 - Linde, K., Barrett, B., Wölkart, K., Bauer, R. and Melchart, D (2006) 'Echinacea for preventing and treating the common cold'. Traditional / reference
https://scholar.google.com/scholar?q=Echinacea%20for%20preventing%20and%20treating%20the%20common%20cold - Sharma, M., Schoop, R., Suter, A. and Schoop, W (2010) 'The possibility of prophylactic treatment of streptococcal pharyngotonsillitis with a standardized Echinacea preparation', 29(8), pp. 1025--1035. Traditional / reference
https://scholar.google.com/scholar?q=The%20possibility%20of%20prophylactic%20treatment%20of%20streptococcal%20pharyngotonsillitis%20with%20a%20standardized%20Echinacea%20preparation - World Health Organization (1999) 'WHO Monographs on Selected Medicinal Plants'. Traditional / reference
https://scholar.google.com/scholar?q=WHO%20Monographs%20on%20Selected%20Medicinal%20Plants - 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 - Gorski, J.C., Huang, S.M., Pinto, A., Hamman, M.A., Hilligoss, J.K., Zaheer, N.A., Desai, M., Miller, M. and Hall, S.D (2004) 'The effect of echinacea (Echinacea purpurea root) on cytochrome P450 activity in vivo', Clinical Pharmacology and Therapeutics, 75(1), pp. 89-100. doi:10.1016/j.clpt.2003.09.013 Clinical study
https://doi.org/10.1016/j.clpt.2003.09.013
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.