The difference between crape myrtle and hibiscus.

1, different varieties. Lagerstroemia speciosa is a small deciduous tree with a height of 7 meters, and Hibiscus speciosa is a deciduous tree with a height of 4 ~ 15 meters.

2. Different shapes. Lagerstroemia indica, the branchlets are slightly quadrangular, the leaves are smooth and hairless, the leaves are hairy along the midvein, the hibiscus and stipules are linear-lanceolate, and the heads are arranged in the panicles at the top of the branches.