Botanical Overview

Agathosma betulina, commonly known as Buchu or Round-leaf buchu, is a member of the Rutaceae family. This aromatic shrub is native to the Western Cape region of South Africa. The primary medicinal part used is the dried leaf, which has a long history of use in traditional Western herbal medicine.

Energetics

Buchu is considered cooling and drying in nature. It has a bitter, aromatic, and pungent taste profile. The herb exhibits a relaxing tonicity, with an affinity for influencing bodily fluids.

Primary Actions

• Diuretic
• Antimicrobial
• Anti-inflammatory
• Aromatic

Indications

Western

• Urinary tract infections
• Cystitis
• Kidney stones
• Inflammation
• Edema

Syndromes

• Urinary tract disorders
• Inflammatory conditions

TCM

No relevant traditional indications documented.

Ayurveda

No relevant traditional indications documented.

Unani

No relevant traditional indications documented.

Constituents & Mechanisms

Key phytochemical constituents include flavonoids, volatile oils such as methyl chavicol (estragole), limonene, and quercetin. These constituents confer antimicrobial, anti-inflammatory, and diuretic properties.

Dosage & Preparations

• Infusion: 1-2 g dried leaves per cup, taken 2-3 times daily
• Tincture: 1:5 in 40% ethanol, 2-5 mL, 1-3 times daily
• Essential oil: used topically in diluted form only; not for internal use

Safety & Contraindications

Buchu contains volatile oils including estragole which may be hepatotoxic in high doses. Caution is advised in pregnancy, lactation, and individuals with liver disease. Use is contraindicated during pregnancy. Potential drug interactions include additive effects with anticoagulants, diuretics, and antihypertensive medications. Long-term use should be avoided.

Astrological Correspondences

No confidently sourced planetary or elemental rulers available.

Selected References

• Herbal Medicine: Biomolecular and Clinical Aspects – Agathosma betulina (Buchu)
• Plants For A Future (PFAF) – Agathosma betulina
• WHO Monographs on Selected Medicinal Plants, Volume 1 – Agathosma betulina
• European Medicines Agency Herbal Monograph – Agathosma betulina