What kind of flower is this?

Osmanthus fragrans: Also known as Mantang Safflower, Mantang Safflower, Monkey Thorn Flower, Wulixiang Flower and Buddha Flower, it is a widely planted ornamental tree species and is the flower of Anyang City, Xuzhou City, Xiangyang City and Haining City. Lagerstroemia indica originated in China, and it is a long-lived tree species with strong adaptability. Because its tree shape is not high, it is very suitable as a garden ornamental tree and a street greening tree. Lagerstroemia indica has been cultivated in China for thousands of years. It was planted in Chang 'an Palace in the Tang Dynasty and spread all over the world in recent centuries. Westerners found this tree from India, so it is called "lilac" in French.

Des Indes). The flower language of Osmanthus fragrans is auspicious, eloquent and feminine.