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Carpinus betulus
Gemeine Hainbuche · (Carpinus betulus)
Birch family (Betulaceae)
Description
With its extremely hard, pale wood and dense hedging habit, the hornbeam is often mistaken for beech, though botanically it belongs to the birch family. Young leaves and buds are gathered in spring for gemmotherapy; in folk medicine, leaf decoctions served as a mildly astringent tea for slight fever and sore throat, while bark decoctions were used in compresses for slow-healing wounds. Today the tree is perhaps best known as the namesake of Bach Flower Remedy No. 17, 'Hornbeam', developed by Edward Bach in 1936 for the feeling of mental weariness — though the highly diluted essence contains no measurable plant compounds and works only within the Bach flower tradition. Scientific evidence is entirely lacking for all these uses. Hornbeam is considered non-toxic; a theoretical cross-reaction is possible for those allergic to birch-family plants, though it is barely documented in practice.
Bach Flower Remedy No. 17 'Hornbeam' — developed by Edward Bach (1936) for the state of mental weariness and the 'Monday morning feeling': tiredness before the day has even begun, the sense of being barely able to cope with daily duties. This application is part of the Bach Flower tradition and is not pharmacologically substantiated. The dilution (highly diluted in alcohol) contains no measurable plant constituents; the effect is considered purely energetic/psychological within Bach therapy.
Preparation & dosage
In European folk medicine, hornbeam leaves were used as a mildly astringent tea for mild fever and sore throat. The tannins (condensed tannins, catechins) act astringently on mucous membranes. No scientific validation exists; the use is transmitted purely through folk tradition.
Preparation & dosage
Pour 200 ml of boiling water over 2–4 g dried hornbeam leaves, steep for 10 minutes, then strain. Up to 3 cups daily.
- Dry amount
- 2–4 g
- Doses per day
- 3×
Hornbeam bark was used in folk medicine as a decoction for compresses and wound washes for poorly healing wounds and skin irritations. The tannin substances in the bark act astringently and have mild antimicrobial properties. Evidence is limited to folk-healing tradition.
Preparation & dosage
Simmer 5–10 g bark in 500 ml water for 15 minutes, allow to cool, then strain. Apply as a compress or wound rinse.
- Dry amount
- 5–10 g
- Doses per day
- 2×
The nut-like seeds of the hornbeam (small nutlets in the winged fruit husks) are edible and were used as a food source in times of scarcity. Their nutritional value is modest, but they contain some fat and protein. This is a historical emergency folk use with no practical significance today.
Preparation & dosage
In traditional folk medicine, hornbeam leaves were occasionally used for mild joint complaints and rheumatic conditions. The tannin fraction and possible flavonoids (quercetin, catechin) may have a mild antioxidant effect. No scientific evidence exists; use documented only in folk medicine.
Preparation & dosage
Steep 2–3 g dried leaves in 200 ml hot water for 10 minutes. 2 cups daily.
- Dry amount
- 2–3 g
- Doses per day
- 2×
Hornbeam is considered non-toxic. No known toxicity with normal use (leaves as tea, bark as decoction). The Bach Flower tincture contains no pharmacologically active constituents — no known medicinal interactions. Theoretical cross-reaction with birch family (Betulaceae) allergies is possible but not documented in practice.
No safety data for medicinal use during pregnancy. Safe as a hedgerow plant (non-medicinal); tea infusions should be avoided as a precaution due to lack of data.
No data for lactation. Low toxicity, but avoid tea infusions in medicinal amounts as a precaution.
No specific data for children. Folk medicinal use limited to adults. The Bach Flower tincture (alcohol dilution) is unsuitable for young children due to the alcohol content.
Contraindications
- Known hypersensitivity to Betulaceae (birch family plants)
Harvested part: young leaves, buds (gemmotherapy)
- Time of day:
- Harvest in the morning after the dew has dried
- Drying:
- Dry leaves loosely on screens at 35–40 °C or in a well-ventilated shaded spot. Dry when they rustle.
- Storage:
- 12 months — Store in dark paper bags or sealed jars in a cool, dry place.
- Time of day:
- No time-of-day restriction; peel bark from young branches (1–3 cm diameter)
- Drying:
- Dry bark pieces at max. 40 °C until they break cleanly.
- Storage:
- 24 months — Store dark, dry, and well-sealed.
- CatechinFlavonoidLeaf
Flavan-3-ol, condensed tannin precursor; antioxidant, astringent on mucous membranes.
- QuercetinFlavonoidLeaf
Flavonol in hornbeam leaves; antioxidant and mildly anti-inflammatory in vitro.
- Proanthocyanidine (kondensierte Tannine)TanninContent: 3–8 %Bark
Main tannin fraction in bark and leaves; astringent, antimicrobial; responsible for the folk medicinal use as a wound remedy.
- GallussäurePhenolic acidLeaf
Phenolic carboxylic acid; part of the hydrolysable tannin fraction; antioxidant.
- Triterpene (Betulinsäure-Typ)SaponinBark
Typical triterpenes of Betulaceae; betulinic acid relatives show antitumour activity in vitro — barely studied specifically for Carpinus betulus.
- Rutosid (Rutin)FlavonoidLeaf
Flavonoid glycoside; capillary-stabilising and antioxidant; detected in small amounts in hornbeam leaves.
- EllagsäurePhenolic acidBark
Polyphenol from the hydrolysable tannin fraction; antioxidant; typical in the bark of Betulaceae.
- [1]BookEdward Bach: The Twelve Healers and Other Remedies (1936) — Public Domain original text(accessed: 2026-05-24)
- [4]BookPlants For A Future (PFAF): Carpinus betulus — Hornbeam(accessed: 2026-05-24)
- [5]BookMaud Grieve: A Modern Herbal — Hornbeam (Carpinus betulus), botanical.com(accessed: 2026-05-24)
- [2]WikipediaWikipedia DE: Hainbuche (Carpinus betulus)(accessed: 2026-05-24)
- [3]WikipediaWikipedia EN: Carpinus betulus — Common Hornbeam(accessed: 2026-05-24)