Lungwort (Pulmonaria officinalis)

Lungwort (Pulmonaria officinalis) is a member of the Geraniaceae family, native to Northern Europe, Central Europe, and Western Europe. Traditionally, its leaves, flowers, and roots have been used for decoctions, infusions, and poultices.

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

Lungwort (Pulmonaria officinalis) dried pieces of the herb arranged on a wooden table for reference — Lungwort (Pulmonaria 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	Lungwort
Scientific Name	Pulmonaria officinalis
Plant Family	Geraniaceae
Genus	Pulmonaria
Species	officinalis
Native Range	Northern Europe, Central Europe, Western Europe
Plant Parts Used	Leaves, Flowers, Roots
Primary Medicinal Actions	Expectorant, Anti-Inflammatory, Bitter
Primary Traditional Systems	European Herbal Medicine, Mediterranean Herbal Traditions, Japanese Kampo Medicine
Historical Preparation Methods	Decoction, Infusion, Poultice

Botanical Identity

Scientific Name: Pulmonaria officinalis
Common Name: Lungwort
Synonyms / Alternative Names: Pulmonaria, Blue Lungwort, Heartleaf
Plant Family: Geraniaceae
Genus: Pulmonaria

Botanical Description

Growth Habit: Perennial herbaceous plant.
Height: It typically grows to a height of 30 to 60 centimeters.
Leaves: Ovate leaves with reddish veins on the upper surface and white to pale green underside, featuring prominent stomatal bands along the midrib.
Flowers: Bilaterally symmetrical flowers with two pairs of unequal petals, two lobed sepals, and a spurred lower petal, arranged in dense clusters, typically blue to purple in color.
Stems: Cylindrical, erect, branching opposite, hairy, herbaceous.

Traditional Uses / Historical Use

Traditional Systems

European Herbal Medicine
Mediterranean Herbal Traditions

Historical Preparation Methods

Decoction
Infusion
Poultice
Tincture

Medicinal Actions

Expectorant: Commonly referenced as a warming expectorant, for airway-related applications.
Anti-inflammatory: In herbal literature, noted as a mild anti-inflammatory, for irritation-related applications.
Bitter: Historically regarded as a gentle bitter, in taste-driven classifications.
Tonic: As described in traditional systems, a cooling tonic, for long-term use contexts.

Active Compounds

Flavonoid: A widely occurring class of plant polyphenols found in leaves, flowers, and fruits.
Tannin: Plant-derived compounds known for their ability to bind proteins.
Phenolic Acid: Naturally occurring phenolic compounds present in many plant species.
Glycoside: Naturally occurring metabolites distributed across many plant species.

Modern Research Overview

Scientific research related to this plant is ongoing. This section will be expanded in the future to include summaries of phytochemical studies, laboratory research, and other relevant scientific literature as it becomes available.

Safety & Contraindications

General Precautions: The use of this herb may warrant general caution in certain situations.
Contraindications: There is insufficient evidence to determine specific contraindications related to this herb.
Allergies: Reports of allergic reactions to this herb are not well documented in available sources.
Drug Interactions: Interactions between this herb and prescription medications are not clearly established.
Toxicity: Toxic effects associated with this herb have not been well documented.
Pregnancy & Breastfeeding: Available information regarding use during pregnancy or breastfeeding is limited.

Preparation & Usage Methods

Infusion: Water is poured over plant material and allowed to steep before straining.
Decoction: Plant parts are gently boiled in water to release soluble constituents.
Poultice: This method uses direct contact between plant material and the skin.
Tincture: This method preserves plant compounds using an alcohol-based solution.
Powder: A preparation created by pulverizing dried plant material.

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 partial shade to full shade.
Watering: Prefers seasonally moist soils. Tolerates variable moisture levels.