What is the plant morphology of Lagerstroemia indica?

Lagerstroemia indica is a small deciduous tree or shrub in the family Clerodendraceae, also known as zinnia and itch flower. Distributed in East China, Central China, South China and Southwest China. Now it is cultivated everywhere.

The height of plants can reach 7 meters. The branches are smooth, and the young branches have four edges. The leaves are opposite or nearly opposite, and the upper leaves are alternate, ovoid, obovate or oblong, 2 ~ 7 cm long and 1 ~ 4 cm wide. Panicle terminal, 4 ~ 20 cm long, flowering in June ~10, with purple flowers. The capsule is spherical, and the fruiting period is 9 ~ 1 1 month.

The common cultivated varieties of Lagerstroemia indica are as follows: ① The flowers in Yin Wei are white or slightly lavender. ② Cuiwei's flowers are lilac with weak growth potential. Hong Wei's flowers are pink.