Those who say "morning glory" and "morning glory" are probably insulting the IQ of the questioner.
According to their swimsuits in the picture, it is supposed to be the seaside in summer. Then, as a typical "seashore plant", it must be "the beauty of the day"!
Zhou Yan (scientific name is calystegia soldanella, with a word meaning "small money") is called "kidney leaf bowl flower" in Chinese, and its English names are sea bindweed, shore false bindweed, shore bindweed and so on.
And "Bin Zhou Yan" in the phrase "俳のはでぁるる", see/wiki/%E3% 83% 8f% E3% 83% 9e% E3% 83% 92% E3% 83.