Herb

Duckweed (Fu ping)

浮萍fu ping
1 sourceHerba Spirodelae

Effuses the exterior and promotes sweating, disperses wind-heat and rashes, and disinhibits water.

Source

Compendium of Materia Medica (Bencao Gangmu)卷十九·草部·水萍·主治（《本经》）

References
  • 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).
Traditional functions

Classical source text (Chinese) — English summary above.

传统中医记载：《本经》载水萍主暴热身痒、下水气、胜酒、长须发、止消渴，久服轻身；《别录》下气、以沐浴生毛发；大明谓治热毒、风热、热狂、熁肿毒、汤火伤、风疹；李时珍谓主风湿麻痹、脚气、目赤翳膜、口舌生疮、吐血衄血。朱震亨谓「浮萍发汗，胜于麻黄」。

Nature, flavor & meridians

Nature & flavor: 辛，寒，无毒（《本经》；《别录》谓酸）。·Meridians: 肺（手太阴）

Citations
  • Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十九·草部·水草类·水萍（《本经》中品）Cited from Compendium of Materia Medica (Bencao Gangmu) for its classification.
  • Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十九·草部·水萍·释名Cited from Compendium of Materia Medica (Bencao Gangmu) for its alternate names.
  • Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十九·草部·水萍·气味（《本经》）Cited from Compendium of Materia Medica (Bencao Gangmu) for its nature & flavor.
  • Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十九·草部·水萍·发明（时珍·入肺经达皮肤）Cited from Compendium of Materia Medica (Bencao Gangmu) for its meridian tropism.
  • Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十九·草部·水萍·主治（《本经》）Cited from Compendium of Materia Medica (Bencao Gangmu) for its traditional functions.
  • Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十九·草部·水萍·主治（大明）Cited from Compendium of Materia Medica (Bencao Gangmu) for its traditional functions.
  • Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十九·草部·水萍·主治（时珍）Cited from Compendium of Materia Medica (Bencao Gangmu) for its traditional functions.
  • Compendium of Materia Medica (Bencao Gangmu) · Li Shizhen · 卷十九·草部·水萍·发明（震亨·发汗胜于麻黄）Cited from Compendium of Materia Medica (Bencao Gangmu) for its safety notes.