What areas make up the latest geographic distribution of Gentiana scabra?
Gentiana scabra is a perennial herb of the genus Gentiana in the Asteraceae family, also known as Lingyou, Cao Longdan, Ku Longdancao, Didancao, Dancao, Shan Longdan, Siye Dan, etc. Its roots and rhizomes are used as medicine; it is bitter in taste and cold in nature, and its function is specifically to clear heat and dry dampness. Its effect of purging excess fire of the liver and gallbladder is very strong, and it can also calm wind, stop spasms, and relieve pain. Now let us take a look at the distribution of Gentiana scabra's places of origin!
Distribution of Gentiana scabra's Places of Origin
Gentiana scabra grows on hillside grasslands, roadsides, riverbanks, in shrub thickets, at forest edges and under forests, in meadows, and other places at an altitude of 400-1700 m. Its places of origin are mainly Inner Mongolia, Heilongjiang, Jilin, Liaoning, Guizhou, Shaanxi, Hubei, Hunan, Anhui, Jiangsu, Zhejiang, Fujian, Guangdong, Guangxi, and other places. It is also distributed in the Soviet Union, Korea, and Japan.
Environment of Gentiana scabra's Places of Origin
Gentiana scabra prefers a moist and cool climate and grows wild in mountainous areas, sloping land, forest edges, and shrub thickets. During the entire growing season of the plant, its temperature requirements are quite high. After introduction and planting in the Beijing area, it has always grown well. Places with high, dry terrain and direct sunlight, and areas with overly sticky or barren soil, are not suitable for cultivation. It likes fertilizer. When deep plowing the land, about 8000 jin of fully decomposed farmyard manure should be applied per mu. It sprouts in mid-April each year, blooms in August, with the flowering period from August to September, and the fruit matures in September. The whole-year growth period is about 180-210 days.
Distribution of Gentiana scabra Varieties
1. Northeast Gentian: Northeast Gentian, also known as Longdancao and Dancao root, is a perennial herb under the genus Gentiana in the Gentianaceae family. It is mainly produced in the Heilongjiang region, and its roots and rhizomes are used as medicine. It is bitter in taste and cold in nature, and has the effects of clearing heat, purging fire, and strengthening the stomach. It mainly treats gastritis, indigestion, jaundice, and other conditions.
2. Three-flowered Gentian: Three-flowered Gentian is a perennial herb under the genus Gentiana in the Gentianaceae family. It is produced in the three northeastern provinces of China, Inner Mongolia, Hebei, and other places, and is also distributed in Russia, Japan, and Korea. It grows in grasslands, wet grasslands, and under forests at an altitude of 640-950 m. It can be used as medicine and has the effects of clearing heat and purging fire. There is not yet artificial introduction and cultivation.
3. Yunnan Gentian: Yunnan Gentian, also known as Jian Longdan, Kucao, Qingyu Dan, Xiao Qinjiao, Lanhua Gen, Paozhanghua, etc., is a perennial herb of the genus Gentiana in the Gentianaceae family, 30-50 cm tall, with the flowering period from July to September and the fruiting period from October to December. It is produced in the central and western counties of Yunnan, grows on hillside grasslands, under forests, and in shrub thickets at an altitude of 1000-2800 m, and is distributed in Sichuan, Guizhou, Hunan, Guangxi, and other places.