The Characteristics and Functions of Hundred Days Red

Wei Zihua, also known as Hundred Days Red.

Lagerstroemia indica originated in China, distributed in the Yangtze River valley, and also cultivated in South China, Northwest China and North China, so it has strong adaptability. Lagerstroemia indica is drought-tolerant, waterlogging-tolerant, moist, light-loving and fat-loving. It has strong resistance to sulfur dioxide, hydrogen fluoride and nitrogen, and can inhale harmful gases. According to the determination, each kilogram of leaves can absorb sulfur 10g and grow well. Lagerstroemia indica can also adsorb dust. In a cement plant 200 ~ 250 meters away from the pollution source, leaves can absorb 4042 grams of dust per square meter. Therefore, it is the ideal tree species for urban, industrial and mining greening, and can also be used as bonsai. Lagerstroemia indica also has medicinal effects. Li Shizhen discussed in Compendium of Materia Medica that its bark, wood and flowers have the functions of promoting blood circulation, dredging meridians, relieving pain, reducing swelling and detoxifying. Seeds can be used as pesticides to kill pests. Leaves can cure white dysentery, flowers can cure postpartum hemorrhage, children's rotten head and fetal poison, and radically cure carbuncle, swelling and sore poison, which can be described as treasure all over.