Excuse me, what is this tree without bark?

Lagerstroemia indica (scientific name: Lagerstroemia indica), also known as itch flower, prurigo, purple flower, purple orchid, mosquito flower, Myrica rubra, zinnia and skinless tree, is a deciduous shrub or small tree, belonging to Litchi family. Of southern Asia and northern Australia. It is distributed in East China, Central China, South China and Southwest China, and widely cultivated in various places. Lagerstroemia indica has been cultivated in China for thousands of years, and it was planted in Chang 'an Palace in Tang Dynasty. Lagerstroemia indica has beautiful posture, smooth trunk and bright colors; When the flowers bloom, it happens to be the summer and autumn season, and the flowering period is extremely long, from June to September, so it is known as "Hundred Days Red" and has the reputation of "summer green covers the eyes and this flower is full of red eyes". It is a good bonsai for ornamental flowers, stems and roots. Wei Zi is also the city flower of Anyang, Henan, Xiangyang, Hubei and Jincheng, Shanxi.