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Harlequin Glorybower (Clerodendrum trichotomum)

Botanical Information

  • Family: Verbenaceae
  • Common Names: Harlequin Glorybower, Peanut Butter Tree, Clerodendrum
  • Parts Used: Leaves, bark, roots, flowers

Description

Clerodendrum trichotomum is a deciduous shrub or small tree native to East Asia, particularly China and Japan. It is well known for its fragrant flowers, striking blue berries, and medicinal applications in traditional herbal practices. The plant has been valued for its ability to support cardiovascular health, alleviate inflammation, and provide relief from headaches and nervous tension.

Historical and Traditional Uses

  • Used in traditional Chinese and Japanese medicine for hypertension and circulatory support.
  • Applied as an anti-inflammatory remedy for swelling, joint pain, and muscle discomfort.
  • Traditionally used to relieve headaches, dizziness, and nervous tension.

Constituents

  • Diterpenoids
  • Flavonoids
  • Alkaloids
  • Saponins
  • Essential oils

Actions

  • Hypotensive (lowers blood pressure)
  • Anti-inflammatory
  • Analgesic (pain-relieving)
  • Nervine (calms the nervous system)
  • Antioxidant

Medicinal Uses

1. Cardiovascular Support:
Traditionally used to help regulate blood pressure and improve circulation.

2. Anti-Inflammatory and Pain Relief:
Applied for joint pain, arthritis, and muscle soreness.

3. Nervous System Support:
Used to calm anxiety, reduce nervous tension, and alleviate stress-related headaches.

4. Respiratory Health:
Has been used to relieve symptoms of colds, coughs, and mild respiratory infections.

5. Antioxidant and Detoxification:
Contains flavonoids that support overall cellular health and help the body manage oxidative stress.

Preparation and Dosage

Infusion (Tea):

  • 1-2 tsp of dried leaves or flowers per cup of boiling water. Steep for 10-15 minutes and drink up to 2 times daily.

Tincture:

  • 2-5 ml of tincture taken up to 3 times daily.

Poultice or Wash:

  • Strong infusion applied externally for joint pain and inflammation relief.

Precautions and Contraindications

  • Pregnancy and Lactation: Use with caution; consult a healthcare provider before use.
  • Low Blood Pressure: Individuals with hypotension should avoid excessive use.
  • Skin Sensitivity: Some people may experience irritation from topical applications.

Energetics (Traditional Medicine Perspectives)

  • Traditional Chinese Medicine (TCM): Cooling and relaxing; supports circulation and nervous system balance.
  • Ayurveda: Balancing for Pitta and Vata, but may aggravate Kapha in excess.

Combinations

  • For Cardiovascular Health: Combine with hawthorn and motherwort.
  • For Nervous System Support: Combine with skullcap and passionflower.
  • For Pain and Inflammation Relief: Combine with turmeric and ginger.

Harvesting and Storage

  • Harvesting: Leaves and flowers are collected in summer, while roots and bark are harvested in autumn.
  • Drying: Air dry in a shaded, well-ventilated area.
  • Storage: Store dried plant material in an airtight container away from moisture and light.

Modern Research

Studies confirm Clerodendrum trichotomum’s anti-inflammatory, hypotensive, and antioxidant properties, reinforcing its traditional medicinal applications.

Harlequin Glorybower remains a valuable herb in traditional and modern medicine, particularly for cardiovascular health, pain relief, and nervous system support.