Corydalis yanhusuo. C. ternata, C. turtshaninovii    Yán hú suǒ- "Extend beard rope"  Corydalis tuber   Family: Papaveraceae (Poppy family)    
Corydalis originates from the Greek korudallis, "crested lark" in reference to the bird like shape of the flowers
Nature: Warm       FLAVOR: Acrid, bitter, slightly pungent   CHANNELS: Liver, Spleen
FUNCTIONS
GROUP: Regulate Blood and removing Stasis
1. Stimulates energy and activates blood circulation.[1,2]
2. Alleviates pain.[1,2,4]
INDICATIONS- Common herb for stopping pain anywhere in the body- especialy good for throbbing pain.[4]
1. Pain due to blood coagulation. Pain in chest, ribs and stomach and abdomen, external injuries.[4]  Period pain, abdominal pain after childbirth. Stomach ache and abdominal pain, hernia caused pain.[1] Dysmenorrhea.[1,4]. Body aches, post-partum pain due to clots.[1] Joint pain.[4]
2. Poor circulation of blood and energy.[1] Traumatic injury pain.[1]
PATENT COMBINATIONS- If very weak- may need to add Qi regulating herbs.[4]
- Stagnation of Liver Qi leading to Heat or Blood stasis: Spreads the Liver Qi, drains Heat, regulate the Qi and alleviates pain Melia Fruit & Corydalis- Jin ling zi san.
- Liver Qi stagnation: Spreads the Liver Qi and regulates the Stomach Cyperus & Peony- Shu gan wan.
- Qi and Blood stagnation: Quickens the Blood and dispels Blood stasis, regulates the Qi, alleviates pain, nourishes the Blood Danggui & Notoginseng- Tong jing wan 
DIRECTION: Can be directed upwards by combining with Pueraria. To the abdomen by combining with Bupleurum or Curcumin or downwards by combining with Ox knee- Achyranthes
PREPARATIONS: Decoction  Dried tuber 3-9 g.[1,2,4] 5-10 g in divided doses/day[3]
Tincture 20 ml of 1:2 extract.[3]
Tablets/Capsules 300-600 mg of standardized extract (standardized to dl-THP).[3]


References
Inner Path can not take any responsibility for any adverse effects from the use of plants. Always seek advice from a professional before using a plant medicinally.
Contituents: Alkaloids- Corydaline, Tetrahydropalmatine (THP), dl-Tetrahydropalmatine (dl-THP), Protopine, Tetrahydrocoptisine, Tetrahydrocolumbamine, Ckorybulbine, Columbianetin