Arbutus menziesii

Botanical Overview

Arbutus menziesii belongs to the Ericaceae family. While not among the most extensively documented medicinal plants, this species has recorded uses that warrant attention from researchers and practitioners. The heath family (Ericaceae) includes shrubs and small trees with simple, often evergreen leaves that are typically thick and leathery. The flowers are urn-shaped or bell-shaped with fused petals. Many species grow in acidic soils and form mycorrhizal associations, and several produce berries used in traditional medicine.

General Description

It has waxy foliage, a contorted growth habit, and flaky bark.

ⓘ Information
Description adapted from Wikipedia (CC BY-SA 4.0).

Family Context

The Ericaceae family is widely distributed worldwide. Notable medicinal members include:

Geographic Distribution

Arbutus menziesii has been recorded in 10 countries and territories worldwide, including Anguilla, Belgium, Canada, China, United Kingdom, and others.

Traditional Uses

Arbutus menziesii has been traditionally used for respiratory conditions, skin and wound care, and pain and inflammation, among other applications.

Respiratory conditions.

  • Cold

Respiratory conditions are addressed through steam inhalation of the herb’s vapors or internal use as a warm tea. The hot infusion acts as an expectorant, helping to loosen phlegm and clear congestion. Some traditions combine it with honey for coughs.

Skin and wound care.

  • Burn
  • Wound

For skin conditions, the fresh or dried plant is applied topically as a poultice, wash, or compress. A strong decoction can be used to clean wounds and sores. The antimicrobial properties help prevent infection while promoting tissue repair.

Pain and inflammation.

  • Rheumatism

For pain and inflammation, preparations are applied both topically as compresses and taken internally. A warm poultice draws blood to the area and promotes healing, while internal preparations address systemic inflammation.

Active Compounds

Phytochemical research has identified 1 compound in this species: betulinic-acid.

ⓘ Information
Information on this page is compiled from Dr. Duke’s Phytochemical and Ethnobotanical Databases (USDA ARS), a public domain resource. Consult a healthcare professional before using any herbal preparation.

Distribution and Conservation

Reported distribution: Anguilla, Belgium, Canada, China, United Kingdom, Mexico, Norway, New Zealand, United States, Unknown.

Complete Use Records

CategoryCultural Context
BurnCanada(Salish)
ColdCanada(Salish)
DiabetesCanada(Salish)
RheumatismCanada(Salish)
WoundCanada(Salish)

Complete Chemical Inventory

CompoundFormulaMW
BETULINIC-ACIDC₃₀H₄₈O₃456.7 Da

Data from PubChem (NIH/NLM, public domain).


References & Further Reading

External Research Links

Data Sources