Bencao Gangmu Reference Library
铁线蕨 / 猪鬃草 / 少女发丝蕨 / 乌脚芒 / 水猪毛七 / 铁丝草 — Adiantum capillus-veneris L. (syn. Adiantum michelii)
Pinyin: Tiěxiànjué / Zhūzōngcǎo / Shàonǚ Fàsījué · Malay: Paku Sisik Hijau / Paku Ranting Hitam / Paku Rambut Gadis / Paku Lumut · Family: Pteridaceae (凤尾蕨科 / 铁线蕨属)
Energetics
Cool (微寒 / 苦凉)
Flavor
Bitter, sweetish, bland, cooling (苦、微甘、淡、凉)
Meridians
Lung (肺), Kidney (肾), Urinary Bladder (膀胱)
Traditional Edict
Maidenhair Fern / Southern Maidenhair (Paku Sisik Hijau / Tie Xian Jue / Capillaire). Fan-shaped leaflets on shiny black wiry stipes. Master Botanical for Pectoral Cough Syrups (Sirop de Capillaire): liquefies sticky pulmonary phlegm, soothes spastic bronchitis, flushes kidney stones.
Cautions & Contraindications
- Shade-dry below 35C to preserve active mucilage. High clinical, respiratory, and pediatric safety profile. Safe in lactation; moderate internal doses during pregnancy.
Clinical Applications
- Acute and chronic tracheobronchitis, spastic dry hacking cough, pharyngotonsillitis, and nephrolithiasis/urolithiasis (calcium oxalate crystal growth inhibition via Adiantone).
Quality Markers
Mechanism & Phytochemistry
1. Mucilage polysaccharides coat inflamed pharyngeal mucosa, reducing cough reflex excitability. 2. Flavonoids relax tracheal smooth muscle. 3. Adiantone prevents calcium oxalate stone aggregation.
Preparation & Dosage
THE CLASSICAL EUROPEAN MAIDENHAIR PECTORAL SYRUP (Sirop de Capillaire / 铁线蕨化痰糖浆): 30 g dried Maidenhair fronds steeped in 300 mL boiling water for 30 min, strained, simmered with 200 g raw honey; take 1 tbsp 3-4x daily for bronchitis. Lithagogue decoction: 15-30 g.
Appended Prescriptions
- 1. The Sovereign Pectoral Bronchitis Syrup with Glycyrrhiza uralensis and Coltsfoot (Kuan Dong Hua). 2. Nephrolithiasis Stone Clearance Draught with Desmodium styracifolium.
Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only
