What kind of tree is Lagerstroemia indica?

Lagerstroemia indica is a precious environmental protection plant in China. People call it "hundred-day red" and "scratching the itch tree" because it will tremble if it gently moves the bark. This is because this tree trunk is very sensitive to vibration. It's a deciduous tree of the family Crotalaceae, with a height of10m. Every summer and autumn, each inflorescence can bloom for about 50 days, and the whole plant can bloom for up to 4 months. Lagerstroemia indica is a precious environmental protection plant in China. People call it Hundred Days Red, Smooth-skinned Tree and Monkey Slippery Tree, because its bark is so smooth that monkeys will slip when climbing on it. Hundreds of thousands may be caused by speculators now! Don't invest indiscriminately!