What is the symbolic significance of morning glory in ancient culture?

Morning glory is alias morning glory, morning glory, morning glory, and the common name is "Mrs. Qin".

The ancients used morning glory as a metaphor for the annual meeting of cowherd and weaver girl on Tanabata, which is a witness of faithful love. In addition, its flower shape is like a trumpet, and when it opens in the morning, it sings like a rooster, which makes people feel the breath of hard work. Mei Lanfang, a famous artist in China, likes morning glory very much. Many poets in ancient China wrote poems praising morning glory. For example, Yang Wanli wrote, "Su Ruoli wears a green eaves, and Xiao Xie wears blue clothes. When I saw the bamboo fence, I flew to Cuichai with joy. " Lin Bushan, who is also a poet in the Song Dynasty, has a poem "Morning Glory": "The circle is like running water, and the vines on the wall are mixed. Tiansun plucked his lovesick tears and grew into this late autumn flower. "