Bencao Gangmu Reference Library
三叶鱼木 / 鱼木 / 虎头蕉 / 台湾鱼木 / 刺山柑同科 / 大鱼木 — Crataeva magna (Lour.) DC. (syn. Crateva magna, Crataeva religiosa var. magna)
Pinyin: Sānyè Yúmù / Yúmù / Hǔtóujiāo · Malay: Pokok Cadamba / Pokok Tiga Daun / Sacred Garlic Pear / Three-Leaved Caper / Varuna / Cortex Crataevae · Family: Capparaceae / Capparidaceae (白花菜科 / 山柑科 / 鱼木属)
Energetics
Cool to Neutral (平 / 微凉 / 苦微辛微甘平)
Flavor
Bitter, slightly pungent, sweetish, aromatic (苦、微辛、微甘、平、气清香微甘苦)
Meridians
Kidney (肾), Bladder (膀胱), Liver (肝), Stomach (胃)
Traditional Edict
Three-Leaved Caper / Varuna (Pokok Cadamba / San Ye Yu Mu / Hu Tou Jiao / Varuna). 3-foliolate leaves with spider-like cream-yellow flowers. Supreme Sovereign of Ayurveda (Varunadi Kwath): boiled bark tea dissolves calcium oxalate kidney stones, shrinks enlarged BPH prostate glands, restores bladder tone.
Cautions & Contraindications
- Large impacted renal calculi (>10 mm) require surgical urological consultation before lithotriptic flushing. High nephrological, urological, and clinical safety profile. Safe in lactation; moderate doses in pregnancy.
Clinical Applications
- Urolithiasis and nephrolithiasis stone dissolution (glycolate oxidase inhibition and calcium oxalate crystal demineralization via Lupeol >= 1.50%), benign prostatic hyperplasia BPH (5alpha-reductase downregulation), and chronic urinary retention.
Quality Markers
Mechanism & Phytochemistry
1. Lupeol inhibits liver glycolate oxidase, reducing urinary oxalate excretion, while dissolving calcium oxalate matrices. 2. Varunol and betulinic acid inhibit 5alpha-reductase and prostate stromal proliferation.
Preparation & Dosage
CLASSICAL AYURVEDIC VARUNA LITHOTRIPTIC DECOCTION (Varunadi Kwath): 15 to 30 g dried sliced bark boiled with Tribulus (Gokshura, 15 g) and Desmodium (Jin Qian Cao, 20 g) in 800 mL water for 25 min; drink warm twice daily for 30 to 60 days (dissolves and expels kidney stones). BPH therapy: 15 g.
Appended Prescriptions
- 1. The Sovereign Renal Calculus Dissolution Draught (Varunadi Kwath) with Tribulus (Gokshura) and Jin Qian Cao. 2. Benign Prostatic Hyperplasia (BPH) & Urinary Flow Restorative Draught with Saw Palmetto.
Yemama Apothecary · Petaling Jaya, Malaysia · For educational and clinical reference only
