Corydalis (Yan hu suo)

• functions_en self-translated from 本草纲目 traditional_functions (public domain; the Chinese tf carries verbatim excerpt_hash citations). No modern work consulted.
• WHO IST-TCM terminology-aligned for the English rendering.
• public pharmacopoeia & botanical facts (public-domain reference facts; no proprietary modern source).

Classical source text (Chinese) — English summary above.

传统中医记载：《开宝》载延胡索主破血、妇人月经不调、腹中结块、崩中淋露、产后诸血病；大明谓除风治气、暖腰膝、止暴腰痛、破癥癖、扑损瘀血；王好古谓治心气小腹痛；李时珍谓活血利气、止痛、通小便，能行血中气滞、气中血滞，专治一身上下诸痛。

Nature & flavor: 辛，温，无毒（《开宝》）；李珣谓苦、甘；王好古谓苦、辛、温、纯阳、浮也，入手足太阴经。·Meridians: 脾（足太阴）, 肺（手太阴）, 肝（足厥阴）

• Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷·草部·延胡索（宋《开宝》）Cited from Compendium of Materia Medica (Bencao Gangmu) for its classification.
• Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 草部·延胡索·释名（玄胡索）Cited from Compendium of Materia Medica (Bencao Gangmu) for its alternate names.
• Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 草部·延胡索·气味（《开宝》根）Cited from Compendium of Materia Medica (Bencao Gangmu) for its nature & flavor.
• Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 草部·延胡索·发明（时珍·入手足太阴厥阴四经）Cited from Compendium of Materia Medica (Bencao Gangmu) for its meridian tropism.
• Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 草部·延胡索·主治（《开宝》）Cited from Compendium of Materia Medica (Bencao Gangmu) for its traditional functions.
• Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 草部·延胡索·主治（大明）Cited from Compendium of Materia Medica (Bencao Gangmu) for its traditional functions.
• Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 草部·延胡索·主治（时珍）Cited from Compendium of Materia Medica (Bencao Gangmu) for its traditional functions.
• Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 草部·延胡索·主治（大明·落胎）Cited from Compendium of Materia Medica (Bencao Gangmu) for its safety notes.