There is a wreath under the beam of the ancient building. What's it called?

There is a wreath called "vertical column" under the beam of the ancient building.

Hanging flower column, also known as "hanging fish", is a decorative component under the beam of ancient buildings. The shape of wreaths often imitates architectural algae well, and different patterns are carved. The existence of hanging flower column not only has decorative function, but also conforms to the use function. It can cantilever the eaves, occupy less space, occupy a higher position, support the house less and have good decorative effect.