Value Embodiment of Lagerstroemia speciosa, a Red Leaf Tree Species

Lagerstroemia speciosa 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. Lagerstroemia indica has been listed as the city flower in many cities (Tai 'an City, Shandong Province, Xuzhou City, Jiangsu Province, Zigong City, Sichuan Province, Anyang City, Henan Province, Xiangyang City, Jintan City, Yantai City, Shandong Province), which shows the high popularity of Lagerstroemia indica and the large market of red-leaf tree Lagerstroemia indica.