Botanical Overview
Teatree (Melaleuca alternifolia) belongs to the Myrtaceae family. While not among the most extensively documented medicinal plants, this species has recorded uses that warrant attention from researchers and practitioners. The myrtle family (Myrtaceae) includes trees and shrubs with opposite leaves that contain aromatic oil glands. The flowers are showy with numerous stamens, and the fruits are often fleshy berries or capsules. Many species produce essential oils with antiseptic and antimicrobial properties.
General Description
Endemic to Australia, it occurs in southeast Queensland and the north coast and adjacent ranges of New South Wales where it grows along streams and on swampy flats, and is often the dominant species where it occurs.
Family Context
The Myrtaceae family is primarily tropical and subtropical. Notable medicinal members include:
- Guava — 57 documented uses
- Melaleuca leucadendron — 49 documented uses
- Clove — 45 documented uses
- Blue Gum — 44 documented uses
Geographic Distribution
Teatree has been recorded in 10 countries and territories worldwide, including Australia, Brazil, Cameroon, New Zealand, Papua New Guinea, and others.
Traditional Uses
Teatree has been traditionally used for immune system support.
Immune system support.
- Antiseptic
Immune support involves taking the herb as a decoction or tincture over extended periods. The active compounds stimulate immune cell activity and provide antimicrobial protection.
Active Compounds
Phytochemical research has identified 30 compounds in this species, including a diverse array of phytochemical classes (see the Complete Chemical Inventory below for the full list).
The identified compounds include the following categories:
- Alkaloid: nitrogenous compounds with diverse pharmacological activities