Turnera diffusa

Botanical Overview

Turnera diffusa, commonly known as Damiana, is a member of the Passifloraceae family. It is native to Central and South America, the Caribbean, and Mexico. The medicinal part used traditionally is the leaf, which has aromatic and bitter taste properties. Damiana is widely recognized for its traditional use as an aphrodisiac and nervine tonic.

Energetics

Turnera diffusa is considered energetically neutral in temperature and moisture, with bitter and aromatic tastes. It has a relaxing tonicity and is traditionally used to calm the nervous system.

Primary Actions

  • Aphrodisiac
  • Nervine
  • Mild diuretic
  • Mild laxative

Indications

Western

  • Mild depression
  • Sexual dysfunction
  • Digestive disturbances
  • Fatigue
  • Anxiety

Syndromes

  • Nervous exhaustion
  • Mild constipation
  • Libido deficiency

TCM

No well-established uses documented.

Ayurveda

No well-established uses documented.

Unani

No well-established uses documented.

Constituents & Mechanisms

Active chemical constituents include flavonoids, terpenoids, volatile oils, cyanogenic glycosides, and arylheptanoids, which contribute to damiana’s nervine and aphrodisiac effects.

Dosage & Preparations

  • Tincture 1:5 in 45% ethanol, 2-5 mL, 1-3 times daily
  • Infusion: 1.5-2 g dried leaf in hot water, 1-2 times daily
  • Capsules: 300-500 mg, 1-3 times daily

Safety & Contraindications

Damiana is generally safe within traditional doses but should be avoided during pregnancy and lactation due to insufficient safety data. Mild gastrointestinal irritation is possible. Caution is advised with the concurrent use of sedatives due to potential additive effects. Overuse may result in headache or insomnia.

Astrological Correspondences

No verifiable planetary or elemental rulers identified from credible esoteric sources.

Selected References

  • Turnera diffusa (Damiana) – Herbal Medicine: Biomolecular and Clinical Aspects. 2nd edition.
  • Turnera diffusa – Damiana, Plants For A Future Database
  • Damiana Clinical Overview – American Botanical Council – Botanical Safety Handbook
  • Turnera diffusa (Damiana) – WHO Monographs on Selected Medicinal Plants