Botanical Overview
Schizonepeta tenuifolia is a perennial herbaceous plant in the Lamiaceae family, commonly known as Japanese catnip, Japanese hedge nettle, or Jing Jie in Traditional Chinese Medicine (TCM). The aerial parts, including leaves and flowering tops, are primarily used in herbal preparations. Native to East Asia (China, Japan, Korea), it grows widely in these regions and features prominently in TCM herbal formulas.
Energetics
Schizonepeta tenuifolia is considered warming in temperature and neutral in moisture. Its taste profile includes acrid, pungent, and bitter notes. The herb exhibits ascending and dispersing directionality, with a relaxing tonicity and primarily influences the qi aspect in the body’s vital substances.
Primary Actions
- Anti-inflammatory
- Antipyretic (fever-reducing)
- Diaphoretic (promotes sweating)
- Analgesic (pain-relieving)
- Antiallergic
Indications
Western
- Fever
- Headache
- Common cold symptoms
- Nasal congestion
- Skin rashes and itching
- Allergic dermatitis
Syndromes
- Upper respiratory tract infections
- Febrile diseases
- Urticaria
- Eczema
TCM
- Headache
- Fever
- Nasal congestion
- Skin eruptions
- Itching
Syndromes
- Wind-Heat invasion
- Wind-Cold invasion
- External Wind conditions
- Skin Wind disorders
Ayurveda
No traditional usage or syndromes documented.
Unani
No traditional usage or syndromes documented.
Constituents & Mechanisms
Active phytochemicals include volatile oils, flavonoids, triterpenes, schizonepetoside, and picroside. These constituents contribute to its anti-inflammatory, antipyretic, and analgesic properties.
Dosage & Preparations
- Decoction: 3-9 grams daily
- Infusion: 5-10 grams 1-2 times daily
- Powder: 1-3 grams
Safety & Contraindications
Schizonepeta tenuifolia is generally regarded as safe in traditional dosages. However, it should be used cautiously during pregnancy and lactation due to limited safety data. Allergic reactions or skin sensitivity are rare but possible. Avoid large doses and consult a healthcare professional if on anticoagulant or antihypertensive medications.
Astrological Correspondences
No credible sources found for planetary or elemental rulers.
Selected References
- Schizonepeta tenuifolia in Flora of China
- Chinese Medicinal Herbs: A Modern Guide to Old Resources – Henry C. Lu, 2002
- Pharmacological activities of Schizonepeta tenuifolia – Liao et al., 2018
- Schizonepeta tenuifolia (Japanese Catnip) – PFAF