Macropiper excelsum

Botanical Overview

Macropiper excelsum, commonly known as Kawakawa or New Zealand pepper tree, belongs to the Piperaceae family. This small tree or shrub is native to New Zealand. The parts used medicinally include the leaves and bark, which have been traditionally utilized by the Māori people.

Energetics

Kawakawa is considered warming and drying in nature with a pungent and bitter taste. It exhibits ascending directionality and a tonifying effect on the qi aspect of physiology.

Primary Actions

  • Anti-inflammatory
  • Antimicrobial
  • Digestive stimulant
  • Expectorant

Indications

Western

  • Indigestion
  • Colic
  • Cough
  • Sore throat
  • Skin infections
  • Wounds

Syndromes

  • Gastrointestinal discomfort
  • Respiratory congestion
  • Cutaneous inflammation

TCM

No traditional uses documented.

Ayurveda

No traditional uses documented.

Unani

No traditional uses documented.

Constituents & Mechanisms

Kawakawa contains alkaloids, essential oils, flavonoids, lignans, and oleoresins contributing to its anti-inflammatory and antimicrobial properties.

Dosage & Preparations

  • Leaf infusion 1-3 g 1-2 times daily
  • Poultice of crushed leaves applied topically
  • Tincture 1:5 40% ethanol, 2-5 mL 1-3 times daily

Safety & Contraindications

Generally safe with traditional topical and internal use; however, avoid use during pregnancy due to lack of safety data. Topical applications may cause skin sensitivity in some individuals. Caution is advised in lactation.

Astrological Correspondences

No well-established planetary or elemental rulers identified.

Selected References

  • Macropiper excelsum (Kawakawa) – Plants For A Future
  • Phytochemical and medicinal properties of Macropiper excelsum – New Zealand Journal of Botany, 2012
  • Medicinal Plants of New Zealand – J. Metcalf, 2006