Tanabata Tree
This is a wishing tree decorated with bamboo, which is common in Chinese Valentine's Day, Japan. There are one or more pieces of paper hanging on the emerald bamboo pole, which are written with various wishes, representing people's good wishes or expectations. Different platforms depict wishing slips with different colors, usually red, and some platforms depict yellow, blue, purple or green. In addition, the design of Apple and Messenger platforms also includes a yellow star decoration.
This emoji is often used to represent various green plants, and can also be extended to mean blessing, peace, prayer and so on.