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***Cao Guo (Fructus Tsaoko or Tsaoko Fruit)/Chinese Traditional Herb***
 
 
 
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Cao Guo commonly known as Fructus Tsaoko or Tsaoko Fruit is the ripe fruit of Amomum tsao-ko Crevost et Lemaire, which is a perennial herb belonging to the family Zingiberaceae. It is a common edible spice, which first appeared in <Yinshan Zhengyao> (Dietary Principles) in 1,330 AD.
Previously, Amomum tsao-ko Crevost et Lemaire belonged to the genus Amomum. It is now grouped into the genus Lanxangia.
There are about 8 species of Lanxangia, which are mainly distributed in China, Laos, Malaysia, Thailand, and Vietnam.
Amomum tsao-ko Crevost et Lemaire is also known as Lanxangia tsao-ko. They like warm and humid climates. They grow well in loose, fertile, sandy loam rich in humus. They often grow in sparse forests or shady, moist, well-drained valley slopes with an average annual temperature of 15-20 ℃ and an altitude of 1,000-2,000 meters. They are found in China, Laos, and Vietnam.
 
More Information:
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