Euphrasia (Euphrasia officinalis)

Euphrasia (Euphrasia officinalis) is a member of the Scrophulariaceae family, native to Europe, Western Asia, and North Africa. Traditionally, its leaves, flowers, and bark have been used for infusions, decoctions, and tinctures.

This herb is particularly valued for its anti-inflammatory, astringent, and bitter actions, and has a long history of use in european herbal medicine, mediterranean herbal traditions, and japanese kampo medicine.

Euphrasia (Euphrasia officinalis) dried pieces of the herb arranged on a wooden table for reference — Euphrasia (Euphrasia officinalis) dried pieces of the herb arranged together on a wooden table for reference, used in teas and remedies.

Quick Facts / Key Information

Common Name	Euphrasia
Scientific Name	Euphrasia officinalis
Plant Family	Scrophulariaceae
Genus	Euphrasia
Species	officinalis
Native Range	Europe, Western Asia, North Africa
Plant Parts Used	Leaves, Flowers, Bark
Primary Medicinal Actions	Anti-Inflammatory, Astringent, Bitter
Primary Traditional Systems	European Herbal Medicine, Mediterranean Herbal Traditions, Japanese Kampo Medicine
Historical Preparation Methods	Infusion, Decoction, Tincture

Botanical Identity

Scientific Name: Euphrasia officinalis
Common Name: Euphrasia
Synonyms / Alternative Names: Common Eye, Eyebright, Common Eyebright
Plant Family: Scrophulariaceae
Genus: Euphrasia

Botanical Description

Growth Habit: Perennial herbaceous plant.
Height: It typically grows to a height of 10 to 30 centimeters.
Leaves: Simple leaves with entire margins, upper surface pale green to dark green, lower surface lighter green, possessing distinct stomatal bands along the midrib.
Flowers: Small, actinomorphic flowers with five yellow petals and five white stamens arranged in a spike, bearing two lobed sepals and a bilaterally symmetrical ovary.
Stems: Erect, unbranched, glabrous, angular, herbaceous, with nodes and internodes, and opposite leaf arrangement.

Traditional Uses / Historical Use

Traditional Systems

European Herbal Medicine
Mediterranean Herbal Traditions

Historical Preparation Methods

Infusion
Decoction
Tincture
Poultice

Medicinal Actions

Anti-inflammatory: As described in traditional systems, a moderate anti-inflammatory, in tissue-soothing contexts.
Astringent: Historically regarded as a cooling astringent, for surface-level applications.
Bitter: In herbal literature, noted as a calming bitter, in bitter herb groupings.
Tonic: Traditionally described as a mild tonic, for foundational support.

Active Compounds

Flavonoid: Plant-based polyphenolic compounds frequently distributed throughout aerial plant parts.
Tannin: Naturally occurring polyphenols widely distributed in woody and leafy plant parts.
Phenolic Acid: A class of aromatic plant compounds commonly found in leaves, seeds, and stems.
Glycoside: Plant-produced compounds commonly stored in inactive glycosylated forms.

Modern Research Overview

Contemporary research on this plant includes areas such as chemical analysis, laboratory-based studies, and observational research. Detailed summaries of published findings are not included at this stage and will be added during future content updates.

Safety & Contraindications

General Precautions: Specific general precautions associated with this herb have not been well documented.
Contraindications: Specific contraindications associated with this herb have not been well documented.
Allergies: Information regarding allergic responses to this herb is limited.
Drug Interactions: There is insufficient evidence to determine whether this herb interacts with pharmaceutical drugs.
Toxicity: Available information regarding the toxicity of this herb is limited.
Pregnancy & Breastfeeding: There is insufficient evidence to determine the safety of this herb during pregnancy or breastfeeding.

Preparation & Usage Methods

Infusion: A preparation method involving steeping plant material in heated water for a short period.
Decoction: This method uses sustained heat to extract compounds from firm plant structures.
Poultice: This method uses direct contact between plant material and the skin.
Tincture: A preparation involving soaking plant parts in alcohol for extended extraction.
Extract: This method isolates plant compounds using alternative solvents.

Growing, Harvesting & Storage

Growing / Cultivation

Soil: Prefers loamy soil with moderately well-drained conditions. Typically grows best in organically rich soils.
Sunlight: Thrives in partial shade. Tolerates full sun to partial shade.
Watering: Prefers moist soils. Tolerates variable moisture levels.