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Corydalis melanochlora, De wa དེ་ཝ

De wa  དེ་ཝ  (Tibet)
An Lu Zi Jin 暗绿紫堇 (TCM)
Maximowicz, C.J., Historia naturalis itinerum N. M. Przewalskii
per Asiam Centralem, vol. 1, Flora Tangutica, vol. 1 (1889)

Botanical name:
Corydalis melanochlora, C. bulbifera
Sman rams pa (1998) gives 3 types of De Wa:
  1. Sno De Wa: Corydalis melanochlora, C. bulbifera
  2. Chu De Wa: Saussurea hieracioides
  3. Shing De Wa: Populus alba, P. bonati

Parts used:
Entire plant

Temperature & Taste:
Cool, dry. Bitter, Sweet

Uses:
1. Clears Wind-Heat
-Heat (Bile) disorders of the Channels
-Fever from Heat (excess Bile)
-Contagious Fever


DOSE:
Powder: 1–3 grams

SUBSTITUTE:
1. Flowers of Gentiana decumbens
2. Saussurea hieracioides (Chu De Wa)
3. Populus alba, P. bonatii (Shing de wa) is regarded as a type of De wa in Tibetan Medicine. It may be used as a substitute.
4. Willow tree (Shing byar pa) is accepted as a substitute for P. alba (Shing de wa), indicating it may be a useful substitute for De wa.
5. Primula sibirica (herb) has been given by some sources.

COMMENT:
'Bulbous Fumitory' was said to supply the market for Round Birthwort, and was in fact a bulbous Corydalis which may be related to C. bulbifera.

Main Combinations:

Major Formulas:


Cautions:
None noted

Main Preparations used: