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Marshmallow (Althaea officinalis) — Marsh Mallow, White Mallow
Materia Medica
Family: Malvaceae
Common names: Marshmallow, marsh mallow, white mallow
Part used: Root and leaves
Growth habit: Perennial herb
Primary tradition: European folk and Western herbalism
Actions & Energetics
Cooling and moistening. Traditional actions include demulcent and soothing to mucous membranes. The root and leaves are rich in mucilage. Energetically considered cooling and lubricating.
Botanical Description
A perennial herb with soft, velvety leaves and pale pink to white flowers. It grows in damp meadows and along waterways in Europe and has naturalized elsewhere. The root and leaves are the primary parts used. The plant is the traditional source of the confection marshmallow.
Name Confusion & Look-Alikes
True marshmallow is Althaea officinalis. It must be distinguished from other mallows. Correct identification of the soft leaves and pale flowers is important. The modern confection is no longer made from the root.
Traditional Indications
European folk use of the root and leaves for sore throats, digestive irritation, and dry coughs. Marshmallow appears in traditional demulcent formulas. Culinary use of the root as a confection is historical.
Preparations & Dosage
Cold infusion of the root or leaves to extract mucilage. Traditional doses are modest. The root is also prepared as a decoction. Culinary use of the historical confection is limited today.
Classical Formulations
Marshmallow appears in traditional European demulcent and soothing formulas. It is a classic mucilage herb.
Constituents
Mucilage polysaccharides, flavonoids, and tannins. The mucilage is responsible for the demulcent and soothing properties. Content is highest in the root.
Modern Research
Preclinical studies document demulcent and mild anti-inflammatory activity of the mucilage. Human clinical data for marshmallow are limited. Traditional use for mucous membrane irritation is well documented in European herbal literature.
Adverse Effects
Generally well tolerated. The mucilage can slow absorption of other medications if taken simultaneously. Mild digestive effects are rare.
Interactions & Contraindications
Separate from other medications by at least two hours due to mucilage. No well-established serious drug interactions. Generally safe as a traditional demulcent.
Pregnancy & Breastfeeding
Safety data during pregnancy and breastfeeding are limited but traditional use is generally regarded as gentle. Consult a qualified practitioner for concentrated use.
Habitat & Cultivation
Native to Europe and naturalized in other temperate regions. Prefers moist soil and full sun to partial shade. Grows in damp meadows and along waterways.
Propagation
Propagated by seed or by root division. Plants prefer consistent moisture.
Harvesting & Drying
Roots are typically harvested in autumn from plants at least two years old. Leaves can be harvested throughout the season. Dry thoroughly with good airflow. Store in airtight containers.
Food Use
The root was historically used to make the confection marshmallow. Modern marshmallows are no longer made from the plant. Culinary use of the root is limited today.
History, Folklore & Spiritual Use
Marshmallow has a long history in European folk medicine as a soothing demulcent. The name reflects its traditional habitat and the historical confection made from the root. It is associated with comfort and mucous membrane support.
Materia Medica Summary
Marshmallow (Althaea officinalis) is a perennial herb whose root and leaves are rich in mucilage and traditionally used as a demulcent for irritated mucous membranes. The historical confection shares its name but is no longer made from the plant. Educational information only.