Finger citron

Chinese Name: Fo shou
Medical Name: Fructus Citri Sarcodactylis
Latin Name: medica L. var. sarcodactylis Swingle, family Rutaceae
Origin: The fruit is harvested just before or after turning yellow, then sliced thinly and dried in the sun or in low heat.
Taste: Sweet and cool

Quotes from Chinese historical sources

COMPENDIUM OF MATERIA MEDICA: "Boiled with wine, it is used to treat coughing due to stagnation of phlegm and qi, while the decoction is used to treat epigastric pain due to stagnation of qi."

SIMPLIFIED MATERIA MEDICA: "Regulates the flow of qi and normalizes the functioning of the diaphragm, but it is applicable only to those suffering from stagnation of qi in the liver and spleen."