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Corydalis meifolia, Stong zil སྟོང་ཟིལ

Stong zil (Tibet)
Corydalis meifolia
Wallich, N., Tentamen florae Napalensis illustratae (1826)
Corydalis gortschakovii
Gartenflora [E. von Regel] (1885)
Corydalis govaniana
Illustrations of the Botany ... of the Himalayan Mountains, Royle, 1839
Corydalis cashmeriana
(Photo by DoF CC-BY-X) (Wikimedia)

Botanical name:
Corydalis spp.
Blue and Yellow-flowered varieties are mentioned in texts, the Blue regarded as superior although Kletter mentions C. meifolia being the species collected in Northern India.
  1. Yellow-flowered (Inferior): C. meifolia, C. boweri, C. dubia, C. hamata, C. megacalyx
  2. Blue-flowered (Superior): C. trachycarpa, C. binderae, C. cashmeriana
Also listed for Stong zil are C. thyrisiflora (syn. Corydalis gortschakovii), C. govaniana

Parts used:
Aerial parts of the herb; occasionally the Root

Temperature & Taste:
Cool, dry. Bitter

Uses:
1. Clears Wind-Heat, Resists Toxin:
-Cold, Fever, Infections; 'Hidden Fever'
-Skin diseases; Syphilis (root)
-pain of the muscles

2. Clears Liver Heat, Benefits the Eyes:
-Abdominal pain; Cholecystitis
-Headache
-eye pain, redness, soreness
-Lymphatic congestion, Scrofula
-fresh root juice is applied to clear and improve eyesight

3. Clears Wind-Damp:
-Rheumatism
-swelling of the Feet

4. Clears Heat, Stops Cough
-Cough, Whooping Cough, Bronchitis
-Asthma, respiratory disorders

5. Externally:
-applied to swellings and burns


DOSE:
Powder: 1–3 grams

Main Combinations:
1. Skin diseases, Abscesses, Itching, Elephantiasis, Corydalis meifolia Stong zil with Triphala, Costus, Frankincense, Psoralea (Bu Gu Zhi), Cassia tora seed, Shilajit (as in Codonopsis 18 of Tibetan Medicine)

Major Formulas:
Codonopsis 18 (Klu bdud bco brgyad) (Tibetan Medicine)

Cautions:
None noted

Main Preparations used: