Hundred day red, also known as crape myrtle, hundred day red, full house red, itchy tree, thousand day red. The Latin name Gomphrena globosa L. is a deciduous tree. The height of the tree can reach 10 meters, and the trunk of the tree can be hugged. The bark is flaky, gray-green or gray-brown after peeling off. The single leaves are opposite, oval, 3-7 cm long, panicles are born on the branches of the year, the flowers are white, red, purple and other colors, the flower diameter is 3 cm, and the flowering period is long, from June to September. Capsule subglobose, seed winged.
Native to tropical America. Lagerstroemia indica grows slowly, has a long lifespan, is resistant to pruning, thick stems and branches are soft, leaves are round and exposed, easy to heal between branches, and easy to shape. It is a good material for making bonsai, and can also be used as cut flowers. Lagerstroemia indica also has a strong ability to absorb dust. In the cement plant, 200-250 meters away from the pollution source, each square meter of leaves can absorb 4.42 grams of dust. Lagerstroemia indica is a good material for greening factories, cities and residential areas.