Plant Comparison
Purple coneflower 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
Purple coneflower and Elecampane: both belong to the Asteraceae family; they share 5 indicated uses (arthritis / joint pain, infection (general), inflammation (general), …); 2 pharmacological actions in common.
Evidence face-off — shared uses
| Condition | Purple coneflower | Elecampane | Verdict |
|---|---|---|---|
| Arthritis / joint pain | 1/10 | 2/10 | Comparable evidence |
| Infection (general) | 1/10 | 2/10 | Comparable evidence |
| Inflammation (general) | 1/10 | 2/10 | Comparable evidence |
| Skin irritation | 1/10 | 2/10 | Comparable evidence |
| Wounds | 1/10 | 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
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.
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
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 anti-inflammatory action
inferred from immunomodulator action
inferred from antimicrobial action
inferred from anti-inflammatory action
inferred from anti-inflammatory action
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
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).
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
Botanical Description
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]
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
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]
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 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]
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
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]
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
Dosage
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.
Not documented
References
Drug Class Interactions
Not documented
Lookalikes Review
References & Sources
- 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
- Gierlikowska, B., Gierlikowski, W., Bekier, K., Skalicka-Wozniak, K., Czerwinska, M.E. and Kiss, A.K (2019) 'Inula helenium and Grindelia squarrosa as a source of compounds with anti-inflammatory activity in human neutrophils and cultured human respiratory epithelium', Journal of Ethnopharmacology, 249, pp. 112311. doi:10.1016/j.jep.2019.112311 Preclinical
https://doi.org/10.1016/j.jep.2019.112311 - Gao, S. and Wang, Q. and Tian, X.H. and Li, H.L. and Shen, Y.H. and Xu, X.K. and Wu, G.Z. and Hu, Z.L. and Zhang, W.D (2016) 'Total sesquiterpene lactones prepared from Inula helenium L. has potentials in prevention and therapy of rheumatoid arthritis', Journal of Ethnopharmacology, pp. 39--46. doi:10.1016/j.jep.2016.12.020 Preclinical
https://doi.org/10.1016/j.jep.2016.12.020 - Wang, Q., Gao, S., Wu, G., Yang, N., Zu, X., Li, W., Xie, N., Zhang, R., Li, C., Hu, Z. and Zhang, W (2018) 'Total sesquiterpene lactones isolated from Inula helenium L. attenuates 2,4-dinitrochlorobenzene-induced atopic dermatitis-like skin lesions in mice', Phytomedicine, 46, pp. 78-84. doi:10.1016/j.phymed.2018.04.036 Preclinical
https://doi.org/10.1016/j.phymed.2018.04.036 - Dao, T.T.P., Song, K., Kim, J.Y. and Kim, Y.S (2020) 'Igalan from Inula helenium (L.) suppresses the atopic dermatitis-like response in stimulated HaCaT keratinocytes via JAK/STAT3 signaling', Inflammation Research, 69(3), pp. 309-319. doi:10.1007/s00011-020-01322-4 Preclinical
https://doi.org/10.1007/s00011-020-01322-4 - He, X., Zhao, W., Shao, B., Zhang, B., Liu, T., Sun, C., Huang, H., Wu, J., Liang, J. and Ma, X (2020) 'Natural soluble epoxide hydrolase inhibitors from Inula helenium and their interactions with soluble epoxide hydrolase', International Journal of Biological Macromolecules, 161, pp. 1465-1474. doi:10.1016/j.ijbiomac.2020.04.227 Preclinical
https://doi.org/10.1016/j.ijbiomac.2020.04.227 - Buza, V., Niculae, M., Hanganu, D., Pall, E., Burtescu, R.F., Olah, N., Matei-Latiu, M., Vlasiuc, I., Iozon, I., Szakacs, A.R., Ielciu, I. and Stefanut, L.C (2022) 'Biological Activities and Chemical Profile of Gentiana asclepiadea and Inula helenium Ethanolic Extracts', Molecules, 27(11), pp. 3560. doi:10.3390/molecules27113560 Preclinical
https://doi.org/10.3390/molecules27113560 - Zheng, X., Wu, Z., Xu, J., Zhang, X., Tu, Y., Lei, J., Yuan, R., Cheng, H., Wang, Q. and Yu, J (2021) 'Bioactive sesquiterpenes from Inula helenium', Bioorganic Chemistry, 114, pp. 105066. doi:10.1016/j.bioorg.2021.105066 Preclinical
https://doi.org/10.1016/j.bioorg.2021.105066 - Nder, A.E (2021) 'Efficacy of methanol-water extract of Inula helenium root against oxidative DNA damage', Journal of Traditional Chinese Medicine, 41(2), pp. 293-300. Preclinical
https://scholar.google.com/scholar?q=Efficacy%20of%20methanol-water%20extract%20of%20Inula%20helenium%20root%20against%20oxidative%20DNA%20damage - Chun, J., Song, K. and Kim, Y.S (2018) 'Sesquiterpene lactones-enriched fraction of Inula helenium L. induces apoptosis through inhibition of signal transducers and activators of transcription 3 signaling pathway in MDA-MB-231 breast cancer cells', Phytotherapy Research, 32(12), pp. 2501-2509. doi:10.1002/ptr.6189 Preclinical
https://doi.org/10.1002/ptr.6189 - Li, Y., Ni, Z., Zhu, M., Dong, M., Wang, S., Shi, Q., Zhang, M., Wang, Y., Huo, C., Kiyota, H. and Cong, B (2012) 'Antitumour activities of sesquiterpene lactones from Inula helenium and Inula japonica', Zeitschrift fur Naturforschung C, 67(7-8), pp. 375-380. doi:10.1515/znc-2012-7-804 Preclinical
https://doi.org/10.1515/znc-2012-7-804 - Yan, Y.Y., Zhang, Q., Zhang, B., Yang, B. and Lin, N.M (2019) 'Active ingredients of Inula helenium L. exhibits similar anti-cancer effects as isoalantolactone in pancreatic cancer cells', Natural Product Research, 34(17), pp. 2539-2544. doi:10.1080/14786419.2018.1543676 Preclinical
https://doi.org/10.1080/14786419.2018.1543676 - 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
https://doi.org/10.3390/molecules27041406 - 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
https://doi.org/10.1007/s10096-011-1400-1 - Cantrell, C.L. and Abate, L. and Fronczek, F.R. and Franzblau, S.G. and Quijano, L. and Fischer, N.H (1999) 'Antimycobacterial eudesmanolides from Inula helenium and Rudbeckia subtomentosa', Planta Medica, 65(4), pp. 351--355. doi:10.1055/s-1999-14001 Preclinical
https://doi.org/10.1055/s-1999-14001
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.