1. Andrographis paniculata. It is an annual plant, with many branches at the lower part, few leaves on the inflorescence axis, small flower bracts, small corolla, white color and purple stripes on the lower lip. Mainly in China's Fujian Province, Guangdong Province, Hainan Province, Guangxi Province, Yunnan Province cultivation.
2. Tian Qi. Its trunk is cone-shaped or cylindrical, and its color is grayish brown or grayish yellow. There are stalk marks on its top, and there are also bumps around it. Tianqi is mainly planted in Yunnan Province.
1. Andrographis paniculata. It likes the climate with high temperature and humidity, abundant sunshine and a lot of fertilizer. Its seeds germinate and seedlings grow. Its favorite temperature is 25-30 ℃. If the temperature drops to 15-20 ℃, its growth speed will slow down. If the temperature drops to about 8 ℃, it will stop growing. If there is a temperature of about 0 ℃ or frost, the whole plant will wither and die. Andrographis paniculata grows best in fertile, loose and well drained neutral or acidic soils.
2. Tian Qi. It likes warm climate, can not resist cold or hot, it likes wet, but can not water. The temperature of growth in summer can't exceed 38 ℃. In winter, the temperature above - 10 ℃ can grow, but the temperature between 18 ℃ and 25 ℃ is the best. Tianqi likes sandy soil or oil sand soil. It can grow in yellow mud and brown soil, but it can not grow normally in low-lying land.
1. Andrographis paniculata. It has the function of reducing fever, clearing toxin, diminishing inflammation and alleviating pain. It can treat tonsillitis, pneumonia, enteritis, cold and other diseases.
2. Tian Qi. It is a very precious medicinal material in our country. It has the effect of dredging and activating collaterals and eliminating swelling and pain since ancient times. It contains more effective active substances than ginseng, so it is also known as the "king of ginseng".