Panax ginseng
Panax ginseng
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Panax ginseng

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Panax ginseng

Panax ginseng, ginseng, also known as Asian ginseng, Chinese ginseng or Korean ginseng, is a species of plant whose root is the original source of ginseng. It is a perennial plant that grows in the mountains of East Asia. It is mainly cultivated in China, Korea, Russia, and Japan.

P. ginseng is an herbaceous perennial plant, 30–60 cm tall, with palmately compound leaves, serrated leaflets, a terminal umbel of 30–50 flowers, red round fruits, and kidney-shaped seeds.

P. ginseng is primarily cultivated in Korea. While all South Korean ginseng is P. ginseng, ginseng production in China encompasses both P. ginseng and South China ginseng (Panax notoginseng).

There is little evidence that using P. ginseng provides any health effect. It may cause side effects or interact with various medications and conditions.

Panax ginseng is called rénshēn (人蔘 or 人参 or 人參; lit.'ginseng') in Mandarin (Chinese), insam (Korean인삼; Hanja人蔘) in Korean, nhân sâm in Vietnamese and ninjin (人参) in Japanese. The specific epithet ginseng means "man-herb" or "forked root".

Panax ginseng is a herbaceous perennial growing from 30 to 60 cm tall. Plants have a spindle- or cylinder-shaped taproot, usually with 1 or 2 main branches. Plants produce 3 to 6 leaves that are palmately compound, with each leaf having 3 to 5 leaflets. The margins of the leaflets are densely serrated. The flowers are born in a solitary inflorescence that is a terminal umbel with 30 to 50 flowers. The peduncles of the flowers are 15 to 30 cm long. The flower ovary is 2-carpellate, with each carpel having two distinct styles. Mature fruits are 4–5 x 6–7 millimeters in size, red in color, and round with flattened ends. The white seeds are kidney-shaped. The (2n) diploid chromosome count is 48.

In a letter dated 12 April 1711, the French Jesuit mathematician and cartographer Pierre Jartoux described gin-seng, a Chinese name for a plant now known as Panax ginseng. According to Jartoux, the name means "form of man", which refers to the shape of the root.

Panax ginseng is native to mountainous regions of the Russian Far East, Northeast China, and the Korean Peninsula. It grows in forested areas of Canada and the United States. It is a protected plant in Russia and China, and most commercial ginseng is now sourced from plants cultivated in China, Korea and Russia. It is also cultivated in some areas of Japan and in Wisconsin. The plant is a slow-growing perennial, and the roots are usually harvested when the plants are five or six years old.

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