Botanical Overview
Backhousia citriodora, commonly known as Lemon myrtle or Lemon ironwood, is a member of the Myrtaceae family native to eastern Australia. The aromatic leaves and essential oils derived from the plant are the primary parts used medicinally and culinarily.
Energetics
The plant energetics are characterized as cooling and neutral in moisture with a lemony, aromatic, and sweet taste. Its action is ascending with tonifying properties, primarily affecting qi.
Primary Actions
- Antimicrobial
- Antifungal
- Anti-inflammatory
- Antioxidant
- Aromatic
Indications
Western
- Cough
- Cold
- Respiratory congestion
- Digestive discomfort
- Skin infections
Syndromes
- Upper respiratory tract infections
- Gastrointestinal infections
- Dermatitis
TCM
Not established.
Ayurveda
Not established.
Unani
Not established.
Constituents & Mechanisms
Contains phytochemicals such as citral, geraniol, limonene, methyl eugenol, and various phenolic compounds contributing to antimicrobial and antioxidant activities.
Dosage & Preparations
- Leaf infusion: 1-2 g in 150 mL hot water, 1-3 times daily
- Essential oil: diluted topical application (max 1% dilution)
- Powdered leaf: up to 2 g daily
Safety & Contraindications
Generally safe in culinary amounts. Essential oils are potent and should be diluted; may cause skin irritation or sensitization. Use caution or avoid during pregnancy due to insufficient data.
Astrological Correspondences
No well-supported planetary or elemental rulers identified.
Selected References
- Backhousia citriodora (Lemon Myrtle) – Plant For A Future Database
- Chemical composition and antimicrobial activity of lemon myrtle essential oil – Journal of Essential Oil Research
- Lemon Myrtle (Backhousia citriodora) – Australian Native Plants Society